13457285

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 17535840

約数和(自身を除く): 4078555

約数列:

[1, 5, 17, 67, 85, 139, 289, 335, 695, 1139, 1445, 2363, 5695, 9313, 11815, 19363, 40171, 46565, 96815, 158321, 200855, 791605, 2691457, 13457285]

約数ペア:

[(1, 13457285), (5, 2691457), (17, 791605), (67, 200855), (85, 158321), (139, 96815), (289, 46565), (335, 40171), (695, 19363), (1139, 11815), (1445, 9313), (2363, 5695)]