129215277890

素因数分解:

$2^1\times 5^1\times {\mathrm{35491}}^1\times {\mathrm{364079}}^1$

素因数の和:399577

約数の個数: 16

約数和(自身を含む): 232594692480

約数和(自身を除く): 103379414590

約数列:

[1, 2, 5, 10, 35491, 70982, 177455, 354910, 364079, 728158, 1820395, 3640790, 12921527789, 25843055578, 64607638945, 129215277890]

約数ペア:

[(1, 129215277890), (2, 64607638945), (5, 25843055578), (10, 12921527789), (35491, 3640790), (70982, 1820395), (177455, 728158), (354910, 364079)]