208971152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1004669}}^1$

素因数の和:1004690

約数の個数: 20

約数和(自身を含む): 436026780

約数和(自身を除く): 227055628

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1004669, 2009338, 4018676, 8037352, 13060697, 16074704, 26121394, 52242788, 104485576, 208971152]

約数ペア:

[(1, 208971152), (2, 104485576), (4, 52242788), (8, 26121394), (13, 16074704), (16, 13060697), (26, 8037352), (52, 4018676), (104, 2009338), (208, 1004669)]