209721554

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{12071}}^1$

素因数の和:12170

約数の個数: 32

約数和(自身を含む): 385917696

約数和(自身を除く): 176196142

約数列:

[1, 2, 7, 14, 17, 34, 73, 119, 146, 238, 511, 1022, 1241, 2482, 8687, 12071, 17374, 24142, 84497, 168994, 205207, 410414, 881183, 1436449, 1762366, 2872898, 6168281, 12336562, 14980111, 29960222, 104860777, 209721554]

約数ペア:

[(1, 209721554), (2, 104860777), (7, 29960222), (14, 14980111), (17, 12336562), (34, 6168281), (73, 2872898), (119, 1762366), (146, 1436449), (238, 881183), (511, 410414), (1022, 205207), (1241, 168994), (2482, 84497), (8687, 24142), (12071, 17374)]