61804790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87049}}^1$

素因数の和:87127

約数の個数: 16

約数和(自身を含む): 112816800

約数和(自身を除く): 51012010

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 87049, 174098, 435245, 870490, 6180479, 12360958, 30902395, 61804790]

約数ペア:

[(1, 61804790), (2, 30902395), (5, 12360958), (10, 6180479), (71, 870490), (142, 435245), (355, 174098), (710, 87049)]