28596490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16921}}^1$

素因数の和:16954

約数の個数: 24

約数和(自身を含む): 55741068

約数和(自身を除く): 27144578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16921, 33842, 84605, 169210, 219973, 439946, 1099865, 2199730, 2859649, 5719298, 14298245, 28596490]

約数ペア:

[(1, 28596490), (2, 14298245), (5, 5719298), (10, 2859649), (13, 2199730), (26, 1099865), (65, 439946), (130, 219973), (169, 169210), (338, 84605), (845, 33842), (1690, 16921)]