7831265780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{700471}}^1$

素因数の和:700536

約数の個数: 48

約数和(自身を含む): 18122611584

約数和(自身を除く): 10291345804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 700471, 1400942, 2801884, 3502355, 7004710, 9106123, 14009420, 18212246, 30120253, 36424492, 45530615, 60240506, 91061230, 120481012, 150601265, 182122460, 301202530, 391563289, 602405060, 783126578, 1566253156, 1957816445, 3915632890, 7831265780]

約数ペア:

[(1, 7831265780), (2, 3915632890), (4, 1957816445), (5, 1566253156), (10, 783126578), (13, 602405060), (20, 391563289), (26, 301202530), (43, 182122460), (52, 150601265), (65, 120481012), (86, 91061230), (130, 60240506), (172, 45530615), (215, 36424492), (260, 30120253), (430, 18212246), (559, 14009420), (860, 9106123), (1118, 7004710), (2236, 3502355), (2795, 2801884), (5590, 1400942), (11180, 700471)]