131281918

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{3821}}^1$

素因数の和:4283

約数の個数: 16

約数和(自身を含む): 202260240

約数和(自身を除く): 70978322

約数列:

[1, 2, 41, 82, 419, 838, 3821, 7642, 17179, 34358, 156661, 313322, 1600999, 3201998, 65640959, 131281918]

約数ペア:

[(1, 131281918), (2, 65640959), (41, 3201998), (82, 1600999), (419, 313322), (838, 156661), (3821, 34358), (7642, 17179)]