644790246

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{147011}}^1$

素因数の和:147076

約数の個数: 32

約数和(自身を含む): 1397202048

約数和(自身を除く): 752411802

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 147011, 294022, 441033, 882066, 2499187, 4998374, 6321473, 7497561, 12642946, 14995122, 18964419, 37928838, 107465041, 214930082, 322395123, 644790246]

約数ペア:

[(1, 644790246), (2, 322395123), (3, 214930082), (6, 107465041), (17, 37928838), (34, 18964419), (43, 14995122), (51, 12642946), (86, 7497561), (102, 6321473), (129, 4998374), (258, 2499187), (731, 882066), (1462, 441033), (2193, 294022), (4386, 147011)]