20161835281

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{258389}}^1$

素因数の和:258624

約数の個数: 16

約数和(自身を含む): 23515557120

約数和(自身を除く): 3353721839

約数列:

[1, 7, 71, 157, 497, 1099, 11147, 78029, 258389, 1808723, 18345619, 40567073, 128419333, 283969511, 2880262183, 20161835281]

約数ペア:

[(1, 20161835281), (7, 2880262183), (71, 283969511), (157, 128419333), (497, 40567073), (1099, 18345619), (11147, 1808723), (78029, 258389)]