31891938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 74269440

約数和(自身を除く): 42377502

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 377, 598, 613, 667, 754, 897, 1131, 1226, 1334, 1794, 1839, 2001, 2262, 3678, 4002, 7969, 8671, 14099, 15938, 17342, 17777, 23907, 26013, 28198, 35554, 42297, 47814, 52026, 53331, 84594, 106662, 183287, 231101, 366574, 408871, 462202, 549861, 693303, 817742, 1099722, 1226613, 1386606, 2453226, 5315323, 10630646, 15945969, 31891938]

約数ペア:

[(1, 31891938), (2, 15945969), (3, 10630646), (6, 5315323), (13, 2453226), (23, 1386606), (26, 1226613), (29, 1099722), (39, 817742), (46, 693303), (58, 549861), (69, 462202), (78, 408871), (87, 366574), (138, 231101), (174, 183287), (299, 106662), (377, 84594), (598, 53331), (613, 52026), (667, 47814), (754, 42297), (897, 35554), (1131, 28198), (1226, 26013), (1334, 23907), (1794, 17777), (1839, 17342), (2001, 15938), (2262, 14099), (3678, 8671), (4002, 7969)]