213765136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1027717}}^1$

素因数の和:1027738

約数の個数: 20

約数和(自身を含む): 446029612

約数和(自身を除く): 232264476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1027717, 2055434, 4110868, 8221736, 13360321, 16443472, 26720642, 53441284, 106882568, 213765136]

約数ペア:

[(1, 213765136), (2, 106882568), (4, 53441284), (8, 26720642), (13, 16443472), (16, 13360321), (26, 8221736), (52, 4110868), (104, 2055434), (208, 1027717)]