289349264

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{41959}}^1$

素因数の和:42398

約数の個数: 20

約数和(自身を含む): 561928320

約数和(自身を除く): 272579056

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 41959, 83918, 167836, 335672, 671344, 18084329, 36168658, 72337316, 144674632, 289349264]

約数ペア:

[(1, 289349264), (2, 144674632), (4, 72337316), (8, 36168658), (16, 18084329), (431, 671344), (862, 335672), (1724, 167836), (3448, 83918), (6896, 41959)]