261682418

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{30983}}^1$

素因数の和:31129

約数の個数: 16

約数和(自身を含む): 406014336

約数和(自身を除く): 144331918

約数列:

[1, 2, 41, 82, 103, 206, 4223, 8446, 30983, 61966, 1270303, 2540606, 3191249, 6382498, 130841209, 261682418]

約数ペア:

[(1, 261682418), (2, 130841209), (41, 6382498), (82, 3191249), (103, 2540606), (206, 1270303), (4223, 61966), (8446, 30983)]