615550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:972

約数の個数: 24

約数和(自身を含む): 1234296

約数和(自身を除く): 618746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 947, 1894, 4735, 9470, 12311, 23675, 24622, 47350, 61555, 123110, 307775, 615550]

約数ペア:

[(1, 615550), (2, 307775), (5, 123110), (10, 61555), (13, 47350), (25, 24622), (26, 23675), (50, 12311), (65, 9470), (130, 4735), (325, 1894), (650, 947)]