64281425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2383}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 86911104

約数和(自身を除く): 22629679

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 2075, 2383, 5395, 11915, 26975, 30979, 59575, 154895, 197789, 774475, 988945, 2571257, 4944725, 12856285, 64281425]

約数ペア:

[(1, 64281425), (5, 12856285), (13, 4944725), (25, 2571257), (65, 988945), (83, 774475), (325, 197789), (415, 154895), (1079, 59575), (2075, 30979), (2383, 26975), (5395, 11915)]