256836745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1063}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 353009664

約数和(自身を除く): 96172919

約数列:

[1, 5, 11, 23, 55, 115, 191, 253, 955, 1063, 1265, 2101, 4393, 5315, 10505, 11693, 21965, 24449, 48323, 58465, 122245, 203033, 241615, 268939, 1015165, 1344695, 2233363, 4669759, 11166815, 23348795, 51367349, 256836745]

約数ペア:

[(1, 256836745), (5, 51367349), (11, 23348795), (23, 11166815), (55, 4669759), (115, 2233363), (191, 1344695), (253, 1015165), (955, 268939), (1063, 241615), (1265, 203033), (2101, 122245), (4393, 58465), (5315, 48323), (10505, 24449), (11693, 21965)]