390804517159

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{2909}}^1\times {\mathrm{20929}}^1$

素因数の和:23983

約数の個数: 24

約数和(自身を含む): 458259001200

約数和(自身を除く): 67454484041

約数列:

[1, 7, 49, 131, 917, 2909, 6419, 20363, 20929, 142541, 146503, 381079, 1025521, 2667553, 2741699, 18672871, 19191893, 60882461, 134343251, 426177227, 2983240589, 7975602391, 55829216737, 390804517159]

約数ペア:

[(1, 390804517159), (7, 55829216737), (49, 7975602391), (131, 2983240589), (917, 426177227), (2909, 134343251), (6419, 60882461), (20363, 19191893), (20929, 18672871), (142541, 2741699), (146503, 2667553), (381079, 1025521)]