641567212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1121621}}^1$

素因数の和:1121649

約数の個数: 24

約数和(自身を含む): 1319027472

約数和(自身を除く): 677460260

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1121621, 2243242, 4486484, 12337831, 14581073, 24675662, 29162146, 49351324, 58324292, 160391803, 320783606, 641567212]

約数ペア:

[(1, 641567212), (2, 320783606), (4, 160391803), (11, 58324292), (13, 49351324), (22, 29162146), (26, 24675662), (44, 14581073), (52, 12337831), (143, 4486484), (286, 2243242), (572, 1121621)]