4457830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 8817984

約数和(自身を除く): 4360154

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 647, 689, 1294, 1378, 3235, 3445, 6470, 6890, 8411, 16822, 34291, 42055, 68582, 84110, 171455, 342910, 445783, 891566, 2228915, 4457830]

約数ペア:

[(1, 4457830), (2, 2228915), (5, 891566), (10, 445783), (13, 342910), (26, 171455), (53, 84110), (65, 68582), (106, 42055), (130, 34291), (265, 16822), (530, 8411), (647, 6890), (689, 6470), (1294, 3445), (1378, 3235)]