31120676

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{26921}}^1$

素因数の和:26959

約数の個数: 18

約数和(自身を含む): 57855378

約数和(自身を除く): 26734702

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 26921, 53842, 107684, 457657, 915314, 1830628, 7780169, 15560338, 31120676]

約数ペア:

[(1, 31120676), (2, 15560338), (4, 7780169), (17, 1830628), (34, 915314), (68, 457657), (289, 107684), (578, 53842), (1156, 26921)]