8470475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 11509680

約数和(自身を除く): 3039205

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 389, 871, 1675, 1945, 4355, 5057, 9725, 21775, 25285, 26063, 126425, 130315, 338819, 651575, 1694095, 8470475]

約数ペア:

[(1, 8470475), (5, 1694095), (13, 651575), (25, 338819), (65, 130315), (67, 126425), (325, 26063), (335, 25285), (389, 21775), (871, 9725), (1675, 5057), (1945, 4355)]