421594550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{648607}}^1$

素因数の和:648632

約数の個数: 24

約数和(自身を含む): 844487616

約数和(自身を除く): 422893066

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 648607, 1297214, 3243035, 6486070, 8431891, 16215175, 16863782, 32430350, 42159455, 84318910, 210797275, 421594550]

約数ペア:

[(1, 421594550), (2, 210797275), (5, 84318910), (10, 42159455), (13, 32430350), (25, 16863782), (26, 16215175), (50, 8431891), (65, 6486070), (130, 3243035), (325, 1297214), (650, 648607)]