215417839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5417}}^1$

素因数の和:5479

約数の個数: 32

約数和(自身を含む): 291271680

約数和(自身を除く): 75853841

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 1729, 2093, 3059, 5417, 5681, 37919, 39767, 70421, 102923, 124591, 492947, 720461, 872137, 1337999, 1619683, 2367229, 9365993, 11337781, 16570603, 30773977, 215417839]

約数ペア:

[(1, 215417839), (7, 30773977), (13, 16570603), (19, 11337781), (23, 9365993), (91, 2367229), (133, 1619683), (161, 1337999), (247, 872137), (299, 720461), (437, 492947), (1729, 124591), (2093, 102923), (3059, 70421), (5417, 39767), (5681, 37919)]