81278518

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{8719}}^1$

素因数の和:8859

約数の個数: 16

約数和(自身を含む): 125568000

約数和(自身を除く): 44289482

約数列:

[1, 2, 59, 79, 118, 158, 4661, 8719, 9322, 17438, 514421, 688801, 1028842, 1377602, 40639259, 81278518]

約数ペア:

[(1, 81278518), (2, 40639259), (59, 1377602), (79, 1028842), (118, 688801), (158, 514421), (4661, 17438), (8719, 9322)]