28701257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 32148480

約数和(自身を除く): 3447223

約数列:

[1, 13, 31, 229, 311, 403, 2977, 4043, 7099, 9641, 71219, 92287, 125333, 925847, 2207789, 28701257]

約数ペア:

[(1, 28701257), (13, 2207789), (31, 925847), (229, 125333), (311, 92287), (403, 71219), (2977, 9641), (4043, 7099)]