1638857528

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:410

約数の個数: 192

約数和(自身を含む): 4195929600

約数和(自身を除く): 2557072072

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 49, 56, 68, 77, 79, 88, 98, 119, 136, 154, 158, 187, 196, 238, 283, 308, 316, 374, 392, 476, 539, 553, 566, 616, 632, 748, 833, 869, 952, 1078, 1106, 1132, 1309, 1343, 1496, 1666, 1738, 1981, 2156, 2212, 2264, 2618, 2686, 3113, 3332, 3476, 3871, 3962, 4312, 4424, 4811, 5236, 5372, 6083, 6226, 6664, 6952, 7742, 7924, 9163, 9401, 9622, 10472, 10744, 12166, 12452, 13867, 14773, 15484, 15848, 18326, 18802, 19244, 21791, 22357, 24332, 24904, 27734, 29546, 30968, 33677, 36652, 37604, 38488, 42581, 43582, 44714, 48664, 52921, 55468, 59092, 65807, 67354, 73304, 75208, 85162, 87164, 89428, 103411, 105842, 110936, 118184, 131614, 134708, 152537, 156499, 170324, 174328, 178856, 206822, 211684, 235739, 245927, 263228, 269416, 305074, 312998, 340648, 370447, 380069, 413644, 423368, 471478, 491854, 526456, 610148, 625996, 723877, 740894, 760138, 827288, 942956, 983708, 1095493, 1220296, 1251992, 1447754, 1481788, 1520276, 1721489, 1885912, 1967416, 2190986, 2593129, 2660483, 2895508, 2963576, 3040552, 3442978, 4180759, 4381972, 5186258, 5320966, 5791016, 6885956, 8361518, 8763944, 10372516, 10641932, 12050423, 13771912, 16723036, 18623381, 20745032, 21283864, 24100846, 29265313, 33446072, 37246762, 48201692, 58530626, 74493524, 96403384, 117061252, 148987048, 204857191, 234122504, 409714382, 819428764, 1638857528]

約数ペア:

[(1, 1638857528), (2, 819428764), (4, 409714382), (7, 234122504), (8, 204857191), (11, 148987048), (14, 117061252), (17, 96403384), (22, 74493524), (28, 58530626), (34, 48201692), (44, 37246762), (49, 33446072), (56, 29265313), (68, 24100846), (77, 21283864), (79, 20745032), (88, 18623381), (98, 16723036), (119, 13771912), (136, 12050423), (154, 10641932), (158, 10372516), (187, 8763944), (196, 8361518), (238, 6885956), (283, 5791016), (308, 5320966), (316, 5186258), (374, 4381972), (392, 4180759), (476, 3442978), (539, 3040552), (553, 2963576), (566, 2895508), (616, 2660483), (632, 2593129), (748, 2190986), (833, 1967416), (869, 1885912), (952, 1721489), (1078, 1520276), (1106, 1481788), (1132, 1447754), (1309, 1251992), (1343, 1220296), (1496, 1095493), (1666, 983708), (1738, 942956), (1981, 827288), (2156, 760138), (2212, 740894), (2264, 723877), (2618, 625996), (2686, 610148), (3113, 526456), (3332, 491854), (3476, 471478), (3871, 423368), (3962, 413644), (4312, 380069), (4424, 370447), (4811, 340648), (5236, 312998), (5372, 305074), (6083, 269416), (6226, 263228), (6664, 245927), (6952, 235739), (7742, 211684), (7924, 206822), (9163, 178856), (9401, 174328), (9622, 170324), (10472, 156499), (10744, 152537), (12166, 134708), (12452, 131614), (13867, 118184), (14773, 110936), (15484, 105842), (15848, 103411), (18326, 89428), (18802, 87164), (19244, 85162), (21791, 75208), (22357, 73304), (24332, 67354), (24904, 65807), (27734, 59092), (29546, 55468), (30968, 52921), (33677, 48664), (36652, 44714), (37604, 43582), (38488, 42581)]