990295565

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{1907}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 1399037184

約数和(自身を除く): 408741619

約数列:

[1, 5, 7, 35, 37, 185, 259, 401, 1295, 1907, 2005, 2807, 9535, 13349, 14035, 14837, 66745, 70559, 74185, 103859, 352795, 493913, 519295, 764707, 2469565, 3823535, 5352949, 26764745, 28294159, 141470795, 198059113, 990295565]

約数ペア:

[(1, 990295565), (5, 198059113), (7, 141470795), (35, 28294159), (37, 26764745), (185, 5352949), (259, 3823535), (401, 2469565), (1295, 764707), (1907, 519295), (2005, 493913), (2807, 352795), (9535, 103859), (13349, 74185), (14035, 70559), (14837, 66745)]