81574418

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{1747}}^1$

素因数の和:2417

約数の個数: 16

約数和(自身を含む): 125939904

約数和(自身を除く): 44365486

約数列:

[1, 2, 37, 74, 631, 1262, 1747, 3494, 23347, 46694, 64639, 129278, 1102357, 2204714, 40787209, 81574418]

約数ペア:

[(1, 81574418), (2, 40787209), (37, 2204714), (74, 1102357), (631, 129278), (1262, 64639), (1747, 46694), (3494, 23347)]