128774425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2053}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 172938584

約数和(自身を除く): 44164159

約数列:

[1, 5, 13, 25, 65, 193, 325, 965, 2053, 2509, 4825, 10265, 12545, 26689, 51325, 62725, 133445, 396229, 667225, 1981145, 5150977, 9905725, 25754885, 128774425]

約数ペア:

[(1, 128774425), (5, 25754885), (13, 9905725), (25, 5150977), (65, 1981145), (193, 667225), (325, 396229), (965, 133445), (2053, 62725), (2509, 51325), (4825, 26689), (10265, 12545)]