128591710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{3571}}^1$

素因数の和:3868

約数の個数: 32

約数和(自身を含む): 250240032

約数和(自身を除く): 121648322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 1385, 2770, 3571, 3601, 7142, 7202, 17855, 18005, 35710, 36010, 46423, 92846, 232115, 464230, 989167, 1978334, 4945835, 9891670, 12859171, 25718342, 64295855, 128591710]

約数ペア:

[(1, 128591710), (2, 64295855), (5, 25718342), (10, 12859171), (13, 9891670), (26, 4945835), (65, 1978334), (130, 989167), (277, 464230), (554, 232115), (1385, 92846), (2770, 46423), (3571, 36010), (3601, 35710), (7142, 18005), (7202, 17855)]