156918908

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{135743}}^1$

素因数の和:135781

約数の個数: 18

約数和(自身を含む): 291713856

約数和(自身を除く): 134794948

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 135743, 271486, 542972, 2307631, 4615262, 9230524, 39229727, 78459454, 156918908]

約数ペア:

[(1, 156918908), (2, 78459454), (4, 39229727), (17, 9230524), (34, 4615262), (68, 2307631), (289, 542972), (578, 271486), (1156, 135743)]