15256475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 21512016

約数和(自身を除く): 6255541

約数列:

[1, 5, 13, 23, 25, 65, 115, 157, 169, 299, 325, 575, 785, 845, 1495, 2041, 3611, 3887, 3925, 4225, 7475, 10205, 18055, 19435, 26533, 46943, 51025, 90275, 97175, 132665, 234715, 610259, 663325, 1173575, 3051295, 15256475]

約数ペア:

[(1, 15256475), (5, 3051295), (13, 1173575), (23, 663325), (25, 610259), (65, 234715), (115, 132665), (157, 97175), (169, 90275), (299, 51025), (325, 46943), (575, 26533), (785, 19435), (845, 18055), (1495, 10205), (2041, 7475), (3611, 4225), (3887, 3925)]