128419986

素因数分解:

$2^1\times 3^1\times {\mathrm{311}}^1\times {\mathrm{68821}}^1$

素因数の和:69137

約数の個数: 16

約数和(自身を含む): 257669568

約数和(自身を除く): 129249582

約数列:

[1, 2, 3, 6, 311, 622, 933, 1866, 68821, 137642, 206463, 412926, 21403331, 42806662, 64209993, 128419986]

約数ペア:

[(1, 128419986), (2, 64209993), (3, 42806662), (6, 21403331), (311, 412926), (622, 206463), (933, 137642), (1866, 68821)]