15912145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 19837440

約数和(自身を除く): 3925295

約数列:

[1, 5, 31, 155, 251, 409, 1255, 2045, 7781, 12679, 38905, 63395, 102659, 513295, 3182429, 15912145]

約数ペア:

[(1, 15912145), (5, 3182429), (31, 513295), (155, 102659), (251, 63395), (409, 38905), (1255, 12679), (2045, 7781)]