13271264

素因数分解:

$2^5\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1298

約数の個数: 24

約数和(自身を含む): 26209008

約数和(自身を除く): 12937744

約数列:

[1, 2, 4, 8, 16, 32, 641, 647, 1282, 1294, 2564, 2588, 5128, 5176, 10256, 10352, 20512, 20704, 414727, 829454, 1658908, 3317816, 6635632, 13271264]

約数ペア:

[(1, 13271264), (2, 6635632), (4, 3317816), (8, 1658908), (16, 829454), (32, 414727), (641, 20704), (647, 20512), (1282, 10352), (1294, 10256), (2564, 5176), (2588, 5128)]