81212438

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1\times {\mathrm{1321}}^1$

素因数の和:1903

約数の個数: 16

約数和(自身を含む): 124215120

約数和(自身を除く): 43002682

約数列:

[1, 2, 59, 118, 521, 1042, 1321, 2642, 30739, 61478, 77939, 155878, 688241, 1376482, 40606219, 81212438]

約数ペア:

[(1, 81212438), (2, 40606219), (59, 1376482), (118, 688241), (521, 155878), (1042, 77939), (1321, 61478), (2642, 30739)]