22215851

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 26080704

約数和(自身を除く): 3864853

約数列:

[1, 7, 53, 233, 257, 371, 1631, 1799, 12349, 13621, 59881, 86443, 95347, 419167, 3173693, 22215851]

約数ペア:

[(1, 22215851), (7, 3173693), (53, 419167), (233, 95347), (257, 86443), (371, 59881), (1631, 13621), (1799, 12349)]