221218312

素因数分解:

$2^3\times 7^1\times {\mathrm{3950327}}^1$

素因数の和:3950340

約数の個数: 16

約数和(自身を含む): 474039360

約数和(自身を除く): 252821048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3950327, 7900654, 15801308, 27652289, 31602616, 55304578, 110609156, 221218312]

約数ペア:

[(1, 221218312), (2, 110609156), (4, 55304578), (7, 31602616), (8, 27652289), (14, 15801308), (28, 7900654), (56, 3950327)]