86972975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{647}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 114099840

約数和(自身を除く): 27126865

約数列:

[1, 5, 19, 25, 95, 283, 475, 647, 1415, 3235, 5377, 7075, 12293, 16175, 26885, 61465, 134425, 183101, 307325, 915505, 3478919, 4577525, 17394595, 86972975]

約数ペア:

[(1, 86972975), (5, 17394595), (19, 4577525), (25, 3478919), (95, 915505), (283, 307325), (475, 183101), (647, 134425), (1415, 61465), (3235, 26885), (5377, 16175), (7075, 12293)]