131998775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 170072448

約数和(自身を除く): 38073673

約数列:

[1, 5, 25, 31, 155, 181, 775, 905, 941, 4525, 4705, 5611, 23525, 28055, 29171, 140275, 145855, 170321, 729275, 851605, 4258025, 5279951, 26399755, 131998775]

約数ペア:

[(1, 131998775), (5, 26399755), (25, 5279951), (31, 4258025), (155, 851605), (181, 729275), (775, 170321), (905, 145855), (941, 140275), (4525, 29171), (4705, 28055), (5611, 23525)]