12971485

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 16381440

約数和(自身を除く): 3409955

約数列:

[1, 5, 31, 53, 155, 265, 1579, 1643, 7895, 8215, 48949, 83687, 244745, 418435, 2594297, 12971485]

約数ペア:

[(1, 12971485), (5, 2594297), (31, 418435), (53, 244745), (155, 83687), (265, 48949), (1579, 8215), (1643, 7895)]