641248

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 1307880

約数和(自身を除く): 666632

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 691, 928, 1382, 2764, 5528, 11056, 20039, 22112, 40078, 80156, 160312, 320624, 641248]

約数ペア:

[(1, 641248), (2, 320624), (4, 160312), (8, 80156), (16, 40078), (29, 22112), (32, 20039), (58, 11056), (116, 5528), (232, 2764), (464, 1382), (691, 928)]