209401486

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2539}}^1$

素因数の和:2728

約数の個数: 32

約数和(自身を含む): 370149120

約数和(自身を除く): 160747634

約数列:

[1, 2, 7, 14, 43, 86, 137, 274, 301, 602, 959, 1918, 2539, 5078, 5891, 11782, 17773, 35546, 41237, 82474, 109177, 218354, 347843, 695686, 764239, 1528478, 2434901, 4869802, 14957249, 29914498, 104700743, 209401486]

約数ペア:

[(1, 209401486), (2, 104700743), (7, 29914498), (14, 14957249), (43, 4869802), (86, 2434901), (137, 1528478), (274, 764239), (301, 695686), (602, 347843), (959, 218354), (1918, 109177), (2539, 82474), (5078, 41237), (5891, 35546), (11782, 17773)]