217178808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 256

約数和(自身を含む): 743178240

約数和(自身を除く): 525999432

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 31, 33, 34, 42, 44, 51, 56, 62, 66, 68, 77, 84, 88, 93, 102, 119, 124, 132, 136, 154, 168, 186, 187, 204, 217, 223, 231, 238, 248, 264, 308, 341, 357, 372, 374, 408, 434, 446, 462, 476, 527, 561, 616, 651, 669, 682, 714, 744, 748, 868, 892, 924, 952, 1023, 1054, 1122, 1302, 1309, 1338, 1364, 1428, 1496, 1561, 1581, 1736, 1784, 1848, 2046, 2108, 2244, 2387, 2453, 2604, 2618, 2676, 2728, 2856, 3122, 3162, 3689, 3791, 3927, 4092, 4216, 4488, 4683, 4774, 4906, 5208, 5236, 5352, 5797, 6244, 6324, 6913, 7161, 7359, 7378, 7582, 7854, 8184, 9366, 9548, 9812, 10472, 11067, 11373, 11594, 12488, 12648, 13826, 14322, 14718, 14756, 15164, 15708, 17171, 17391, 18732, 19096, 19624, 20739, 22134, 22746, 23188, 26537, 27652, 28644, 29436, 29512, 30328, 31416, 34342, 34782, 37464, 40579, 41478, 41701, 44268, 45492, 46376, 48391, 51513, 53074, 55304, 57288, 58872, 68684, 69564, 76043, 79611, 81158, 82956, 83402, 88536, 90984, 96782, 103026, 106148, 117521, 121737, 125103, 137368, 139128, 145173, 152086, 159222, 162316, 165912, 166804, 193564, 206052, 212296, 228129, 235042, 243474, 250206, 290346, 291907, 304172, 318444, 324632, 333608, 352563, 387128, 412104, 456258, 470084, 486948, 500412, 532301, 580692, 583814, 608344, 636888, 705126, 822647, 875721, 912516, 940168, 973896, 1000824, 1064602, 1161384, 1167628, 1292731, 1410252, 1596903, 1645294, 1751442, 1825032, 2129204, 2335256, 2467941, 2585462, 2820504, 3193806, 3290588, 3502884, 3878193, 4258408, 4935882, 5170924, 6387612, 6581176, 7005768, 7756386, 9049117, 9871764, 10341848, 12775224, 15512772, 18098234, 19743528, 27147351, 31025544, 36196468, 54294702, 72392936, 108589404, 217178808]

約数ペア:

[(1, 217178808), (2, 108589404), (3, 72392936), (4, 54294702), (6, 36196468), (7, 31025544), (8, 27147351), (11, 19743528), (12, 18098234), (14, 15512772), (17, 12775224), (21, 10341848), (22, 9871764), (24, 9049117), (28, 7756386), (31, 7005768), (33, 6581176), (34, 6387612), (42, 5170924), (44, 4935882), (51, 4258408), (56, 3878193), (62, 3502884), (66, 3290588), (68, 3193806), (77, 2820504), (84, 2585462), (88, 2467941), (93, 2335256), (102, 2129204), (119, 1825032), (124, 1751442), (132, 1645294), (136, 1596903), (154, 1410252), (168, 1292731), (186, 1167628), (187, 1161384), (204, 1064602), (217, 1000824), (223, 973896), (231, 940168), (238, 912516), (248, 875721), (264, 822647), (308, 705126), (341, 636888), (357, 608344), (372, 583814), (374, 580692), (408, 532301), (434, 500412), (446, 486948), (462, 470084), (476, 456258), (527, 412104), (561, 387128), (616, 352563), (651, 333608), (669, 324632), (682, 318444), (714, 304172), (744, 291907), (748, 290346), (868, 250206), (892, 243474), (924, 235042), (952, 228129), (1023, 212296), (1054, 206052), (1122, 193564), (1302, 166804), (1309, 165912), (1338, 162316), (1364, 159222), (1428, 152086), (1496, 145173), (1561, 139128), (1581, 137368), (1736, 125103), (1784, 121737), (1848, 117521), (2046, 106148), (2108, 103026), (2244, 96782), (2387, 90984), (2453, 88536), (2604, 83402), (2618, 82956), (2676, 81158), (2728, 79611), (2856, 76043), (3122, 69564), (3162, 68684), (3689, 58872), (3791, 57288), (3927, 55304), (4092, 53074), (4216, 51513), (4488, 48391), (4683, 46376), (4774, 45492), (4906, 44268), (5208, 41701), (5236, 41478), (5352, 40579), (5797, 37464), (6244, 34782), (6324, 34342), (6913, 31416), (7161, 30328), (7359, 29512), (7378, 29436), (7582, 28644), (7854, 27652), (8184, 26537), (9366, 23188), (9548, 22746), (9812, 22134), (10472, 20739), (11067, 19624), (11373, 19096), (11594, 18732), (12488, 17391), (12648, 17171), (13826, 15708), (14322, 15164), (14718, 14756)]