397412398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{75239}}^1$

素因数の和:75399

約数の個数: 16

約数和(自身を含む): 632016000

約数和(自身を除く): 234603602

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 75239, 150478, 1429541, 2859082, 10458221, 20916442, 198706199, 397412398]

約数ペア:

[(1, 397412398), (2, 198706199), (19, 20916442), (38, 10458221), (139, 2859082), (278, 1429541), (2641, 150478), (5282, 75239)]