28209984

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 168

約数和(自身を含む): 88257888

約数和(自身を除く): 60047904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 37, 38, 44, 48, 57, 64, 66, 74, 76, 88, 96, 111, 114, 132, 148, 152, 176, 192, 209, 222, 228, 264, 296, 304, 352, 361, 407, 418, 444, 456, 528, 592, 608, 627, 703, 704, 722, 814, 836, 888, 912, 1056, 1083, 1184, 1216, 1221, 1254, 1406, 1444, 1628, 1672, 1776, 1824, 2109, 2112, 2166, 2368, 2442, 2508, 2812, 2888, 3256, 3344, 3552, 3648, 3971, 4218, 4332, 4884, 5016, 5624, 5776, 6512, 6688, 7104, 7733, 7942, 8436, 8664, 9768, 10032, 11248, 11552, 11913, 13024, 13357, 13376, 15466, 15884, 16872, 17328, 19536, 20064, 22496, 23104, 23199, 23826, 26048, 26714, 30932, 31768, 33744, 34656, 39072, 40071, 40128, 44992, 46398, 47652, 53428, 61864, 63536, 67488, 69312, 78144, 80142, 92796, 95304, 106856, 123728, 127072, 134976, 146927, 160284, 185592, 190608, 213712, 247456, 254144, 293854, 320568, 371184, 381216, 427424, 440781, 494912, 587708, 641136, 742368, 762432, 854848, 881562, 1175416, 1282272, 1484736, 1763124, 2350832, 2564544, 3526248, 4701664, 7052496, 9403328, 14104992, 28209984]

約数ペア:

[(1, 28209984), (2, 14104992), (3, 9403328), (4, 7052496), (6, 4701664), (8, 3526248), (11, 2564544), (12, 2350832), (16, 1763124), (19, 1484736), (22, 1282272), (24, 1175416), (32, 881562), (33, 854848), (37, 762432), (38, 742368), (44, 641136), (48, 587708), (57, 494912), (64, 440781), (66, 427424), (74, 381216), (76, 371184), (88, 320568), (96, 293854), (111, 254144), (114, 247456), (132, 213712), (148, 190608), (152, 185592), (176, 160284), (192, 146927), (209, 134976), (222, 127072), (228, 123728), (264, 106856), (296, 95304), (304, 92796), (352, 80142), (361, 78144), (407, 69312), (418, 67488), (444, 63536), (456, 61864), (528, 53428), (592, 47652), (608, 46398), (627, 44992), (703, 40128), (704, 40071), (722, 39072), (814, 34656), (836, 33744), (888, 31768), (912, 30932), (1056, 26714), (1083, 26048), (1184, 23826), (1216, 23199), (1221, 23104), (1254, 22496), (1406, 20064), (1444, 19536), (1628, 17328), (1672, 16872), (1776, 15884), (1824, 15466), (2109, 13376), (2112, 13357), (2166, 13024), (2368, 11913), (2442, 11552), (2508, 11248), (2812, 10032), (2888, 9768), (3256, 8664), (3344, 8436), (3552, 7942), (3648, 7733), (3971, 7104), (4218, 6688), (4332, 6512), (4884, 5776), (5016, 5624)]