1920744977765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1\times {\mathrm{720053}}^1$

素因数の和:720773

約数の個数: 32

約数和(自身を含む): 2486432868480

約数和(自身を除く): 565687890715

約数列:

[1, 5, 19, 43, 95, 215, 653, 817, 3265, 4085, 12407, 28079, 62035, 140395, 533501, 720053, 2667505, 3600265, 13681007, 30962279, 68405035, 154811395, 470194609, 588283301, 2350973045, 2941416505, 8933697571, 20218368187, 44668487855, 101091840935, 384148995553, 1920744977765]

約数ペア:

[(1, 1920744977765), (5, 384148995553), (19, 101091840935), (43, 44668487855), (95, 20218368187), (215, 8933697571), (653, 2941416505), (817, 2350973045), (3265, 588283301), (4085, 470194609), (12407, 154811395), (28079, 68405035), (62035, 30962279), (140395, 13681007), (533501, 3600265), (720053, 2667505)]