4991155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 6660864

約数和(自身を除く): 1669709

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 2477, 12385, 32201, 76787, 161005, 383935, 998231, 4991155]

約数ペア:

[(1, 4991155), (5, 998231), (13, 383935), (31, 161005), (65, 76787), (155, 32201), (403, 12385), (2015, 2477)]