391728464

素因数分解:

$2^4\times {\mathrm{1361}}^1\times {\mathrm{17989}}^1$

素因数の和:19358

約数の個数: 20

約数和(自身を含む): 759573780

約数和(自身を除く): 367845316

約数列:

[1, 2, 4, 8, 16, 1361, 2722, 5444, 10888, 17989, 21776, 35978, 71956, 143912, 287824, 24483029, 48966058, 97932116, 195864232, 391728464]

約数ペア:

[(1, 391728464), (2, 195864232), (4, 97932116), (8, 48966058), (16, 24483029), (1361, 287824), (2722, 143912), (5444, 71956), (10888, 35978), (17989, 21776)]