28647710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31481}}^1$

素因数の和:31508

約数の個数: 32

約数和(自身を含む): 63467712

約数和(自身を除く): 34820002

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31481, 62962, 157405, 220367, 314810, 409253, 440734, 818506, 1101835, 2046265, 2203670, 2864771, 4092530, 5729542, 14323855, 28647710]

約数ペア:

[(1, 28647710), (2, 14323855), (5, 5729542), (7, 4092530), (10, 2864771), (13, 2203670), (14, 2046265), (26, 1101835), (35, 818506), (65, 440734), (70, 409253), (91, 314810), (130, 220367), (182, 157405), (455, 62962), (910, 31481)]