726242140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2793239}}^1$

素因数の和:2793261

約数の個数: 24

約数和(自身を含む): 1642425120

約数和(自身を除く): 916182980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2793239, 5586478, 11172956, 13966195, 27932390, 36312107, 55864780, 72624214, 145248428, 181560535, 363121070, 726242140]

約数ペア:

[(1, 726242140), (2, 363121070), (4, 181560535), (5, 145248428), (10, 72624214), (13, 55864780), (20, 36312107), (26, 27932390), (52, 13966195), (65, 11172956), (130, 5586478), (260, 2793239)]