72187742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{15551}}^1$

素因数の和:15775

約数の個数: 16

約数和(自身を含む): 118692864

約数和(自身を除く): 46505122

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 15551, 31102, 171061, 342122, 3281261, 6562522, 36093871, 72187742]

約数ペア:

[(1, 72187742), (2, 36093871), (11, 6562522), (22, 3281261), (211, 342122), (422, 171061), (2321, 31102), (4642, 15551)]