15721286986

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1\times {\mathrm{137359}}^1$

素因数の和:138093

約数の個数: 16

約数和(自身を含む): 23884156800

約数和(自身を除く): 8162869814

約数列:

[1, 2, 89, 178, 643, 1286, 57227, 114454, 137359, 274718, 12224951, 24449902, 88321837, 176643674, 7860643493, 15721286986]

約数ペア:

[(1, 15721286986), (2, 7860643493), (89, 176643674), (178, 88321837), (643, 24449902), (1286, 12224951), (57227, 274718), (114454, 137359)]