12981364

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{26821}}^1$

素因数の和:26847

約数の個数: 18

約数和(自身を含む): 24971282

約数和(自身を除く): 11989918

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 26821, 53642, 107284, 295031, 590062, 1180124, 3245341, 6490682, 12981364]

約数ペア:

[(1, 12981364), (2, 6490682), (4, 3245341), (11, 1180124), (22, 590062), (44, 295031), (121, 107284), (242, 53642), (484, 26821)]