42905144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 85503600

約数和(自身を除く): 42598456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 389, 778, 811, 1556, 1622, 3112, 3244, 6488, 6613, 13226, 13787, 26452, 27574, 52904, 55148, 110296, 315479, 630958, 1261916, 2523832, 5363143, 10726286, 21452572, 42905144]

約数ペア:

[(1, 42905144), (2, 21452572), (4, 10726286), (8, 5363143), (17, 2523832), (34, 1261916), (68, 630958), (136, 315479), (389, 110296), (778, 55148), (811, 52904), (1556, 27574), (1622, 26452), (3112, 13787), (3244, 13226), (6488, 6613)]