156958990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221069}}^1$

素因数の和:221147

約数の個数: 16

約数和(自身を含む): 286506720

約数和(自身を除く): 129547730

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 221069, 442138, 1105345, 2210690, 15695899, 31391798, 78479495, 156958990]

約数ペア:

[(1, 156958990), (2, 78479495), (5, 31391798), (10, 15695899), (71, 2210690), (142, 1105345), (355, 442138), (710, 221069)]