12697264

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{1979}}^1$

素因数の和:2388

約数の個数: 20

約数和(自身を含む): 24674760

約数和(自身を除く): 11977496

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 1979, 3208, 3958, 6416, 7916, 15832, 31664, 793579, 1587158, 3174316, 6348632, 12697264]

約数ペア:

[(1, 12697264), (2, 6348632), (4, 3174316), (8, 1587158), (16, 793579), (401, 31664), (802, 15832), (1604, 7916), (1979, 6416), (3208, 3958)]