26972725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 36325800

約数和(自身を除く): 9353075

約数列:

[1, 5, 13, 25, 65, 149, 325, 557, 745, 1937, 2785, 3725, 7241, 9685, 13925, 36205, 48425, 82993, 181025, 414965, 1078909, 2074825, 5394545, 26972725]

約数ペア:

[(1, 26972725), (5, 5394545), (13, 2074825), (25, 1078909), (65, 414965), (149, 181025), (325, 82993), (557, 48425), (745, 36205), (1937, 13925), (2785, 9685), (3725, 7241)]