25431536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122267}}^1$

素因数の和:122288

約数の個数: 20

約数和(自身を含む): 53064312

約数和(自身を除く): 27632776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122267, 244534, 489068, 978136, 1589471, 1956272, 3178942, 6357884, 12715768, 25431536]

約数ペア:

[(1, 25431536), (2, 12715768), (4, 6357884), (8, 3178942), (13, 1956272), (16, 1589471), (26, 978136), (52, 489068), (104, 244534), (208, 122267)]