81421294

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{4441}}^1$

素因数の和:4635

約数の個数: 16

約数和(自身を含む): 124731360

約数和(自身を除く): 43310066

約数列:

[1, 2, 89, 103, 178, 206, 4441, 8882, 9167, 18334, 395249, 457423, 790498, 914846, 40710647, 81421294]

約数ペア:

[(1, 81421294), (2, 40710647), (89, 914846), (103, 790498), (178, 457423), (206, 395249), (4441, 18334), (8882, 9167)]