222619856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{127649}}^1$

素因数の和:127766

約数の個数: 20

約数和(自身を含む): 435286500

約数和(自身を除く): 212666644

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 127649, 255298, 510596, 1021192, 2042384, 13913741, 27827482, 55654964, 111309928, 222619856]

約数ペア:

[(1, 222619856), (2, 111309928), (4, 55654964), (8, 27827482), (16, 13913741), (109, 2042384), (218, 1021192), (436, 510596), (872, 255298), (1744, 127649)]