222572816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{323507}}^1$

素因数の和:323558

約数の個数: 20

約数和(自身を含む): 441264912

約数和(自身を除く): 218692096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 323507, 647014, 1294028, 2588056, 5176112, 13910801, 27821602, 55643204, 111286408, 222572816]

約数ペア:

[(1, 222572816), (2, 111286408), (4, 55643204), (8, 27821602), (16, 13910801), (43, 5176112), (86, 2588056), (172, 1294028), (344, 647014), (688, 323507)]