664617604

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{106441}}^1$

素因数の和:106675

約数の個数: 24

約数和(自身を含む): 1335208448

約数和(自身を除く): 670590844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 106441, 212882, 425764, 745087, 1490174, 2980348, 23736343, 47472686, 94945372, 166154401, 332308802, 664617604]

約数ペア:

[(1, 664617604), (2, 332308802), (4, 166154401), (7, 94945372), (14, 47472686), (28, 23736343), (223, 2980348), (446, 1490174), (892, 745087), (1561, 425764), (3122, 212882), (6244, 106441)]