28306525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 38060064

約数和(自身を除く): 9753539

約数列:

[1, 5, 13, 25, 65, 251, 325, 347, 1255, 1735, 3263, 4511, 6275, 8675, 16315, 22555, 81575, 87097, 112775, 435485, 1132261, 2177425, 5661305, 28306525]

約数ペア:

[(1, 28306525), (5, 5661305), (13, 2177425), (25, 1132261), (65, 435485), (251, 112775), (325, 87097), (347, 81575), (1255, 22555), (1735, 16315), (3263, 8675), (4511, 6275)]