641337862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{677947}}^1$

素因数の和:678003

約数の個数: 16

約数和(自身を含む): 1073869632

約数和(自身を除く): 432531770

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 677947, 1355894, 7457417, 14914834, 29151721, 58303442, 320668931, 641337862]

約数ペア:

[(1, 641337862), (2, 320668931), (11, 58303442), (22, 29151721), (43, 14914834), (86, 7457417), (473, 1355894), (946, 677947)]