320624

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:728

約数の個数: 20

約数和(自身を含む): 643560

約数和(自身を除く): 322936

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 691, 1382, 2764, 5528, 11056, 20039, 40078, 80156, 160312, 320624]

約数ペア:

[(1, 320624), (2, 160312), (4, 80156), (8, 40078), (16, 20039), (29, 11056), (58, 5528), (116, 2764), (232, 1382), (464, 691)]