231991175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5449}}^1$

素因数の和:5603

約数の個数: 24

約数和(自身を含む): 312219600

約数和(自身を除く): 80228425

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 3275, 5449, 8515, 27245, 42575, 70837, 136225, 354185, 713819, 1770925, 3569095, 9279647, 17845475, 46398235, 231991175]

約数ペア:

[(1, 231991175), (5, 46398235), (13, 17845475), (25, 9279647), (65, 3569095), (131, 1770925), (325, 713819), (655, 354185), (1703, 136225), (3275, 70837), (5449, 42575), (8515, 27245)]