129137617

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{3121}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 154651392

約数和(自身を除く): 25513775

約数列:

[1, 7, 23, 161, 257, 1799, 3121, 5911, 21847, 41377, 71783, 502481, 802097, 5614679, 18448231, 129137617]

約数ペア:

[(1, 129137617), (7, 18448231), (23, 5614679), (161, 802097), (257, 502481), (1799, 71783), (3121, 41377), (5911, 21847)]