221359082

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20297}}^1$

素因数の和:20366

約数の個数: 32

約数和(自身を含む): 409207680

約数和(自身を除く): 187848598

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 20297, 40594, 142079, 284158, 385643, 771286, 832177, 1664354, 2699501, 5399002, 5825239, 11650478, 15811363, 31622726, 110679541, 221359082]

約数ペア:

[(1, 221359082), (2, 110679541), (7, 31622726), (14, 15811363), (19, 11650478), (38, 5825239), (41, 5399002), (82, 2699501), (133, 1664354), (266, 832177), (287, 771286), (574, 385643), (779, 284158), (1558, 142079), (5453, 40594), (10906, 20297)]