218511368

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{515357}}^1$

素因数の和:515416

約数の個数: 16

約数和(自身を含む): 417439980

約数和(自身を除く): 198928612

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 515357, 1030714, 2061428, 4122856, 27313921, 54627842, 109255684, 218511368]

約数ペア:

[(1, 218511368), (2, 109255684), (4, 54627842), (8, 27313921), (53, 4122856), (106, 2061428), (212, 1030714), (424, 515357)]