266513768

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{421699}}^1$

素因数の和:421784

約数の個数: 16

約数和(自身を含む): 506040000

約数和(自身を除く): 239526232

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 421699, 843398, 1686796, 3373592, 33314221, 66628442, 133256884, 266513768]

約数ペア:

[(1, 266513768), (2, 133256884), (4, 66628442), (8, 33314221), (79, 3373592), (158, 1686796), (316, 843398), (632, 421699)]