31628828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 69748224

約数和(自身を除く): 38119396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 721, 997, 1133, 1442, 1994, 2266, 2884, 3988, 4532, 6979, 7931, 10967, 13958, 15862, 21934, 27916, 31724, 43868, 76769, 102691, 153538, 205382, 307076, 410764, 718837, 1129601, 1437674, 2259202, 2875348, 4518404, 7907207, 15814414, 31628828]

約数ペア:

[(1, 31628828), (2, 15814414), (4, 7907207), (7, 4518404), (11, 2875348), (14, 2259202), (22, 1437674), (28, 1129601), (44, 718837), (77, 410764), (103, 307076), (154, 205382), (206, 153538), (308, 102691), (412, 76769), (721, 43868), (997, 31724), (1133, 27916), (1442, 21934), (1994, 15862), (2266, 13958), (2884, 10967), (3988, 7931), (4532, 6979)]