64656865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 101824128

約数和(自身を除く): 37167263

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 455, 595, 643, 845, 1105, 1183, 1547, 2873, 3215, 4501, 5915, 7735, 8359, 10931, 14365, 20111, 22505, 41795, 54655, 58513, 76517, 100555, 108667, 142103, 292565, 382585, 543335, 710515, 760669, 994721, 1847339, 3803345, 4973605, 9236695, 12931373, 64656865]

約数ペア:

[(1, 64656865), (5, 12931373), (7, 9236695), (13, 4973605), (17, 3803345), (35, 1847339), (65, 994721), (85, 760669), (91, 710515), (119, 543335), (169, 382585), (221, 292565), (455, 142103), (595, 108667), (643, 100555), (845, 76517), (1105, 58513), (1183, 54655), (1547, 41795), (2873, 22505), (3215, 20111), (4501, 14365), (5915, 10931), (7735, 8359)]