856943984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4119923}}^1$

素因数の和:4119944

約数の個数: 20

約数和(自身を含む): 1788047016

約数和(自身を除く): 931103032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4119923, 8239846, 16479692, 32959384, 53558999, 65918768, 107117998, 214235996, 428471992, 856943984]

約数ペア:

[(1, 856943984), (2, 428471992), (4, 214235996), (8, 107117998), (13, 65918768), (16, 53558999), (26, 32959384), (52, 16479692), (104, 8239846), (208, 4119923)]