28756525

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2251}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 41328704

約数和(自身を除く): 12572179

約数列:

[1, 5, 7, 25, 35, 73, 175, 365, 511, 1825, 2251, 2555, 11255, 12775, 15757, 56275, 78785, 164323, 393925, 821615, 1150261, 4108075, 5751305, 28756525]

約数ペア:

[(1, 28756525), (5, 5751305), (7, 4108075), (25, 1150261), (35, 821615), (73, 393925), (175, 164323), (365, 78785), (511, 56275), (1825, 15757), (2251, 12775), (2555, 11255)]