133718416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{642877}}^1$

素因数の和:642898

約数の個数: 20

約数和(自身を含む): 279009052

約数和(自身を除く): 145290636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 642877, 1285754, 2571508, 5143016, 8357401, 10286032, 16714802, 33429604, 66859208, 133718416]

約数ペア:

[(1, 133718416), (2, 66859208), (4, 33429604), (8, 16714802), (13, 10286032), (16, 8357401), (26, 5143016), (52, 2571508), (104, 1285754), (208, 642877)]