218263493

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{15413}}^1$

素因数の和:15461

約数の個数: 18

約数和(自身を含む): 269729586

約数和(自身を除く): 51466093

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 15413, 107891, 262021, 755237, 1834147, 4454357, 12839029, 31180499, 218263493]

約数ペア:

[(1, 218263493), (7, 31180499), (17, 12839029), (49, 4454357), (119, 1834147), (289, 755237), (833, 262021), (2023, 107891), (14161, 15413)]