640486725122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{411095459}}^1$

素因数の和:411095521

約数の個数: 16

約数和(自身を含む): 1035960559200

約数和(自身を除く): 395473834078

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 411095459, 822190918, 7810813721, 15621627442, 16854913819, 33709827638, 320243362561, 640486725122]

約数ペア:

[(1, 640486725122), (2, 320243362561), (19, 33709827638), (38, 16854913819), (41, 15621627442), (82, 7810813721), (779, 822190918), (1558, 411095459)]