1290105830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9923891}}^1$

素因数の和:9923911

約数の個数: 16

約数和(自身を含む): 2500820784

約数和(自身を除く): 1210714954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9923891, 19847782, 49619455, 99238910, 129010583, 258021166, 645052915, 1290105830]

約数ペア:

[(1, 1290105830), (2, 645052915), (5, 258021166), (10, 129010583), (13, 99238910), (26, 49619455), (65, 19847782), (130, 9923891)]