1216404427

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{19031}}^1$

素因数の和:19458

約数の個数: 16

約数和(自身を含む): 1454349312

約数和(自身を除く): 237944885

約数列:

[1, 7, 23, 161, 397, 2779, 9131, 19031, 63917, 133217, 437713, 3063991, 7555307, 52887149, 173772061, 1216404427]

約数ペア:

[(1, 1216404427), (7, 173772061), (23, 52887149), (161, 7555307), (397, 3063991), (2779, 437713), (9131, 133217), (19031, 63917)]