388624676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{81031}}^1$

素因数の和:81155

約数の個数: 24

約数和(自身を含む): 748735680

約数和(自身を除く): 360111004

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 81031, 162062, 324124, 891341, 1782682, 3565364, 8832379, 17664758, 35329516, 97156169, 194312338, 388624676]

約数ペア:

[(1, 388624676), (2, 194312338), (4, 97156169), (11, 35329516), (22, 17664758), (44, 8832379), (109, 3565364), (218, 1782682), (436, 891341), (1199, 324124), (2398, 162062), (4796, 81031)]