128661325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8423}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 175488768

約数和(自身を除く): 46827443

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 8423, 15275, 42115, 109499, 210575, 395881, 547495, 1979405, 2737475, 5146453, 9897025, 25732265, 128661325]

約数ペア:

[(1, 128661325), (5, 25732265), (13, 9897025), (25, 5146453), (47, 2737475), (65, 1979405), (235, 547495), (325, 395881), (611, 210575), (1175, 109499), (3055, 42115), (8423, 15275)]