87986339

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 116944896

約数和(自身を除く): 28958557

約数列:

[1, 7, 17, 23, 31, 61, 119, 161, 217, 289, 391, 427, 527, 713, 1037, 1403, 1891, 2023, 2737, 3689, 4991, 6647, 7259, 8959, 9821, 12121, 13237, 17629, 23851, 32147, 43493, 46529, 62713, 84847, 123403, 166957, 206057, 225029, 304451, 405467, 546499, 739381, 1442399, 2838269, 3825493, 5175667, 12569477, 87986339]

約数ペア:

[(1, 87986339), (7, 12569477), (17, 5175667), (23, 3825493), (31, 2838269), (61, 1442399), (119, 739381), (161, 546499), (217, 405467), (289, 304451), (391, 225029), (427, 206057), (527, 166957), (713, 123403), (1037, 84847), (1403, 62713), (1891, 46529), (2023, 43493), (2737, 32147), (3689, 23851), (4991, 17629), (6647, 13237), (7259, 12121), (8959, 9821)]