2490975998

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{277577}}^1$

素因数の和:278227

約数の個数: 16

約数和(自身を含む): 4276921824

約数和(自身を除く): 1785945826

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 8974, 277577, 555154, 1943039, 3886078, 177926857, 355853714, 1245487999, 2490975998]

約数ペア:

[(1, 2490975998), (2, 1245487999), (7, 355853714), (14, 177926857), (641, 3886078), (1282, 1943039), (4487, 555154), (8974, 277577)]