217840322

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4957}}^1$

素因数の和:5082

約数の個数: 32

約数和(自身を含む): 387437952

約数和(自身を除く): 169597630

約数列:

[1, 2, 7, 14, 43, 73, 86, 146, 301, 511, 602, 1022, 3139, 4957, 6278, 9914, 21973, 34699, 43946, 69398, 213151, 361861, 426302, 723722, 1492057, 2533027, 2984114, 5066054, 15560023, 31120046, 108920161, 217840322]

約数ペア:

[(1, 217840322), (2, 108920161), (7, 31120046), (14, 15560023), (43, 5066054), (73, 2984114), (86, 2533027), (146, 1492057), (301, 723722), (511, 426302), (602, 361861), (1022, 213151), (3139, 69398), (4957, 43946), (6278, 34699), (9914, 21973)]