130398775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{661}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 174683264

約数和(自身を除く): 44284489

約数列:

[1, 5, 13, 25, 65, 325, 607, 661, 3035, 3305, 7891, 8593, 15175, 16525, 39455, 42965, 197275, 214825, 401227, 2006135, 5215951, 10030675, 26079755, 130398775]

約数ペア:

[(1, 130398775), (5, 26079755), (13, 10030675), (25, 5215951), (65, 2006135), (325, 401227), (607, 214825), (661, 197275), (3035, 42965), (3305, 39455), (7891, 16525), (8593, 15175)]