128633575

素因数分解:

$5^2\times 7^4\times {\mathrm{2143}}^1$

素因数の和:2181

約数の個数: 30

約数和(自身を含む): 186165664

約数和(自身を除く): 57532089

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2143, 2401, 8575, 10715, 12005, 15001, 53575, 60025, 75005, 105007, 375025, 525035, 735049, 2625175, 3675245, 5145343, 18376225, 25726715, 128633575]

約数ペア:

[(1, 128633575), (5, 25726715), (7, 18376225), (25, 5145343), (35, 3675245), (49, 2625175), (175, 735049), (245, 525035), (343, 375025), (1225, 105007), (1715, 75005), (2143, 60025), (2401, 53575), (8575, 15001), (10715, 12005)]