128218748

素因数分解:

$2^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{19001}}^1$

素因数の和:19253

約数の個数: 24

約数和(自身を含む): 257515104

約数和(自身を除く): 129296356

約数列:

[1, 2, 4, 7, 14, 28, 241, 482, 964, 1687, 3374, 6748, 19001, 38002, 76004, 133007, 266014, 532028, 4579241, 9158482, 18316964, 32054687, 64109374, 128218748]

約数ペア:

[(1, 128218748), (2, 64109374), (4, 32054687), (7, 18316964), (14, 9158482), (28, 4579241), (241, 532028), (482, 266014), (964, 133007), (1687, 76004), (3374, 38002), (6748, 19001)]