28197512

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 35306488

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 97, 116, 179, 194, 203, 232, 358, 388, 406, 679, 716, 776, 812, 1253, 1358, 1432, 1624, 2506, 2716, 2813, 5012, 5191, 5432, 5626, 10024, 10382, 11252, 17363, 19691, 20764, 22504, 34726, 36337, 39382, 41528, 69452, 72674, 78764, 121541, 138904, 145348, 157528, 243082, 290696, 486164, 503527, 972328, 1007054, 2014108, 3524689, 4028216, 7049378, 14098756, 28197512]

約数ペア:

[(1, 28197512), (2, 14098756), (4, 7049378), (7, 4028216), (8, 3524689), (14, 2014108), (28, 1007054), (29, 972328), (56, 503527), (58, 486164), (97, 290696), (116, 243082), (179, 157528), (194, 145348), (203, 138904), (232, 121541), (358, 78764), (388, 72674), (406, 69452), (679, 41528), (716, 39382), (776, 36337), (812, 34726), (1253, 22504), (1358, 20764), (1432, 19691), (1624, 17363), (2506, 11252), (2716, 10382), (2813, 10024), (5012, 5626), (5191, 5432)]