31605366

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 69569280

約数和(自身を除く): 37963914

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 169, 213, 338, 426, 439, 507, 878, 923, 1014, 1317, 1846, 2634, 2769, 5538, 5707, 11414, 11999, 17121, 23998, 31169, 34242, 35997, 62338, 71994, 74191, 93507, 148382, 187014, 222573, 405197, 445146, 810394, 1215591, 2431182, 5267561, 10535122, 15802683, 31605366]

約数ペア:

[(1, 31605366), (2, 15802683), (3, 10535122), (6, 5267561), (13, 2431182), (26, 1215591), (39, 810394), (71, 445146), (78, 405197), (142, 222573), (169, 187014), (213, 148382), (338, 93507), (426, 74191), (439, 71994), (507, 62338), (878, 35997), (923, 34242), (1014, 31169), (1317, 23998), (1846, 17121), (2634, 11999), (2769, 11414), (5538, 5707)]