71290639

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 93152592

約数和(自身を除く): 21861953

約数列:

[1, 7, 17, 23, 49, 61, 119, 161, 391, 427, 833, 1037, 1127, 1403, 2737, 2989, 3721, 7259, 9821, 19159, 23851, 26047, 50813, 63257, 68747, 85583, 166957, 182329, 442799, 599081, 1168699, 1454911, 3099593, 4193567, 10184377, 71290639]

約数ペア:

[(1, 71290639), (7, 10184377), (17, 4193567), (23, 3099593), (49, 1454911), (61, 1168699), (119, 599081), (161, 442799), (391, 182329), (427, 166957), (833, 85583), (1037, 68747), (1127, 63257), (1403, 50813), (2737, 26047), (2989, 23851), (3721, 19159), (7259, 9821)]