71387267

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 90017136

約数和(自身を除く): 18629869

約数列:

[1, 7, 17, 43, 49, 119, 301, 731, 833, 1993, 2107, 5117, 13951, 33881, 35819, 85699, 97657, 237167, 599893, 1456883, 1660169, 4199251, 10198181, 71387267]

約数ペア:

[(1, 71387267), (7, 10198181), (17, 4199251), (43, 1660169), (49, 1456883), (119, 599893), (301, 237167), (731, 97657), (833, 85699), (1993, 35819), (2107, 33881), (5117, 13951)]