90180286

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{40009}}^1$

素因数の和:40048

約数の個数: 24

約数和(自身を含む): 164201040

約数和(自身を除く): 74020754

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 40009, 80018, 280063, 560126, 920207, 1840414, 1960441, 3920882, 6441449, 12882898, 45090143, 90180286]

約数ペア:

[(1, 90180286), (2, 45090143), (7, 12882898), (14, 6441449), (23, 3920882), (46, 1960441), (49, 1840414), (98, 920207), (161, 560126), (322, 280063), (1127, 80018), (2254, 40009)]