254877886

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{3229}}^1$

素因数の和:3939

約数の個数: 16

約数和(自身を含む): 389305440

約数和(自身を除く): 134427554

約数列:

[1, 2, 61, 122, 647, 1294, 3229, 6458, 39467, 78934, 196969, 393938, 2089163, 4178326, 127438943, 254877886]

約数ペア:

[(1, 254877886), (2, 127438943), (61, 4178326), (122, 2089163), (647, 393938), (1294, 196969), (3229, 78934), (6458, 39467)]