257831495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{2333}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 333743328

約数和(自身を除く): 75911833

約数列:

[1, 5, 23, 31, 115, 155, 713, 961, 2333, 3565, 4805, 11665, 22103, 53659, 72323, 110515, 268295, 361615, 1663429, 2242013, 8317145, 11210065, 51566299, 257831495]

約数ペア:

[(1, 257831495), (5, 51566299), (23, 11210065), (31, 8317145), (115, 2242013), (155, 1663429), (713, 361615), (961, 268295), (2333, 110515), (3565, 72323), (4805, 53659), (11665, 22103)]