221707696

素因数分解:

$2^4\times 7^1\times {\mathrm{499}}^1\times {\mathrm{3967}}^1$

素因数の和:4481

約数の個数: 40

約数和(自身を含む): 492032000

約数和(自身を除く): 270324304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 499, 998, 1996, 3493, 3967, 3992, 6986, 7934, 7984, 13972, 15868, 27769, 27944, 31736, 55538, 55888, 63472, 111076, 222152, 444304, 1979533, 3959066, 7918132, 13856731, 15836264, 27713462, 31672528, 55426924, 110853848, 221707696]

約数ペア:

[(1, 221707696), (2, 110853848), (4, 55426924), (7, 31672528), (8, 27713462), (14, 15836264), (16, 13856731), (28, 7918132), (56, 3959066), (112, 1979533), (499, 444304), (998, 222152), (1996, 111076), (3493, 63472), (3967, 55888), (3992, 55538), (6986, 31736), (7934, 27944), (7984, 27769), (13972, 15868)]