622351340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2393659}}^1$

素因数の和:2393681

約数の個数: 24

約数和(自身を含む): 1407472080

約数和(自身を除く): 785120740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2393659, 4787318, 9574636, 11968295, 23936590, 31117567, 47873180, 62235134, 124470268, 155587835, 311175670, 622351340]

約数ペア:

[(1, 622351340), (2, 311175670), (4, 155587835), (5, 124470268), (10, 62235134), (13, 47873180), (20, 31117567), (26, 23936590), (52, 11968295), (65, 9574636), (130, 4787318), (260, 2393659)]