640349281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1\times {\mathrm{859}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 759201120

約数和(自身を除く): 118851839

約数列:

[1, 11, 13, 143, 169, 401, 859, 1859, 4411, 5213, 9449, 11167, 57343, 67769, 122837, 145171, 344459, 745459, 1596881, 3789049, 4477967, 49257637, 58213571, 640349281]

約数ペア:

[(1, 640349281), (11, 58213571), (13, 49257637), (143, 4477967), (169, 3789049), (401, 1596881), (859, 745459), (1859, 344459), (4411, 145171), (5213, 122837), (9449, 67769), (11167, 57343)]