621163390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{13679}}^1$

素因数の和:13944

約数の個数: 32

約数和(自身を含む): 1181952000

約数和(自身を除く): 560788610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 478, 1195, 2390, 4541, 9082, 13679, 22705, 27358, 45410, 68395, 136790, 259901, 519802, 1299505, 2599010, 3269281, 6538562, 16346405, 32692810, 62116339, 124232678, 310581695, 621163390]

約数ペア:

[(1, 621163390), (2, 310581695), (5, 124232678), (10, 62116339), (19, 32692810), (38, 16346405), (95, 6538562), (190, 3269281), (239, 2599010), (478, 1299505), (1195, 519802), (2390, 259901), (4541, 136790), (9082, 68395), (13679, 45410), (22705, 27358)]