87681307

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 101832192

約数和(自身を除く): 14150885

約数列:

[1, 7, 97, 263, 491, 679, 1841, 3437, 25511, 47627, 129133, 178577, 333389, 903931, 12525901, 87681307]

約数ペア:

[(1, 87681307), (7, 12525901), (97, 903931), (263, 333389), (491, 178577), (679, 129133), (1841, 47627), (3437, 25511)]