90520495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{81919}}^1$

素因数の和:81954

約数の個数: 16

約数和(自身を含む): 123863040

約数和(自身を除く): 33342545

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 81919, 409595, 1064947, 1392623, 5324735, 6963115, 18104099, 90520495]

約数ペア:

[(1, 90520495), (5, 18104099), (13, 6963115), (17, 5324735), (65, 1392623), (85, 1064947), (221, 409595), (1105, 81919)]