129272012

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{111827}}^1$

素因数の和:111865

約数の個数: 18

約数和(自身を含む): 240318372

約数和(自身を除く): 111046360

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 111827, 223654, 447308, 1901059, 3802118, 7604236, 32318003, 64636006, 129272012]

約数ペア:

[(1, 129272012), (2, 64636006), (4, 32318003), (17, 7604236), (34, 3802118), (68, 1901059), (289, 447308), (578, 223654), (1156, 111827)]