74017775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17519}}^1$

素因数の和:17555

約数の個数: 18

約数和(自身を含む): 99390960

約数和(自身を除く): 25373185

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 17519, 87595, 227747, 437975, 1138735, 2960711, 5693675, 14803555, 74017775]

約数ペア:

[(1, 74017775), (5, 14803555), (13, 5693675), (25, 2960711), (65, 1138735), (169, 437975), (325, 227747), (845, 87595), (4225, 17519)]