64850728

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 126756000

約数和(自身を除く): 61905272

約数列:

[1, 2, 4, 8, 29, 58, 116, 139, 232, 278, 556, 1112, 2011, 4022, 4031, 8044, 8062, 16088, 16124, 32248, 58319, 116638, 233276, 279529, 466552, 559058, 1118116, 2236232, 8106341, 16212682, 32425364, 64850728]

約数ペア:

[(1, 64850728), (2, 32425364), (4, 16212682), (8, 8106341), (29, 2236232), (58, 1118116), (116, 559058), (139, 466552), (232, 279529), (278, 233276), (556, 116638), (1112, 58319), (2011, 32248), (4022, 16124), (4031, 16088), (8044, 8062)]