13215670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 25780608

約数和(自身を除く): 12564938

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 367, 554, 734, 1385, 1835, 2770, 3601, 3670, 4771, 7202, 9542, 18005, 23855, 36010, 47710, 101659, 203318, 508295, 1016590, 1321567, 2643134, 6607835, 13215670]

約数ペア:

[(1, 13215670), (2, 6607835), (5, 2643134), (10, 1321567), (13, 1016590), (26, 508295), (65, 203318), (130, 101659), (277, 47710), (367, 36010), (554, 23855), (734, 18005), (1385, 9542), (1835, 7202), (2770, 4771), (3601, 3670)]