90890215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{7321}}^1$

素因数の和:7530

約数の個数: 16

約数和(自身を含む): 118089216

約数和(自身を除く): 27199001

約数列:

[1, 5, 13, 65, 191, 955, 2483, 7321, 12415, 36605, 95173, 475865, 1398311, 6991555, 18178043, 90890215]

約数ペア:

[(1, 90890215), (5, 18178043), (13, 6991555), (65, 1398311), (191, 475865), (955, 95173), (2483, 36605), (7321, 12415)]