391570774

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 680509440

約数和(自身を除く): 288938666

約数列:

[1, 2, 7, 14, 103, 206, 383, 709, 721, 766, 1418, 1442, 2681, 4963, 5362, 9926, 39449, 73027, 78898, 146054, 271547, 276143, 511189, 543094, 552286, 1022378, 1900829, 3801658, 27969341, 55938682, 195785387, 391570774]

約数ペア:

[(1, 391570774), (2, 195785387), (7, 55938682), (14, 27969341), (103, 3801658), (206, 1900829), (383, 1022378), (709, 552286), (721, 543094), (766, 511189), (1418, 276143), (1442, 271547), (2681, 146054), (4963, 78898), (5362, 73027), (9926, 39449)]