1277889910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{270167}}^1$

素因数の和:270228

約数の個数: 32

約数和(自身を含む): 2567676672

約数和(自身を除く): 1289786762

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 270167, 540334, 1350835, 2701670, 2971837, 5943674, 11617181, 14859185, 23234362, 29718370, 58085905, 116171810, 127788991, 255577982, 638944955, 1277889910]

約数ペア:

[(1, 1277889910), (2, 638944955), (5, 255577982), (10, 127788991), (11, 116171810), (22, 58085905), (43, 29718370), (55, 23234362), (86, 14859185), (110, 11617181), (215, 5943674), (430, 2971837), (473, 2701670), (946, 1350835), (2365, 540334), (4730, 270167)]