12691856

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{3319}}^1$

素因数の和:3566

約数の個数: 20

約数和(自身を含む): 24700800

約数和(自身を除く): 12008944

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3319, 3824, 6638, 13276, 26552, 53104, 793241, 1586482, 3172964, 6345928, 12691856]

約数ペア:

[(1, 12691856), (2, 6345928), (4, 3172964), (8, 1586482), (16, 793241), (239, 53104), (478, 26552), (956, 13276), (1912, 6638), (3319, 3824)]