278927999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1\times {\mathrm{1627}}^1$

素因数の和:2942

約数の個数: 16

約数和(自身を含む): 336019200

約数和(自身を除く): 57091201

約数列:

[1, 7, 19, 133, 1289, 1627, 9023, 11389, 24491, 30913, 171437, 216391, 2097203, 14680421, 39846857, 278927999]

約数ペア:

[(1, 278927999), (7, 39846857), (19, 14680421), (133, 2097203), (1289, 216391), (1627, 171437), (9023, 30913), (11389, 24491)]