209443702

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 344215872

約数和(自身を除く): 134772170

約数列:

[1, 2, 13, 26, 103, 197, 206, 394, 397, 794, 1339, 2561, 2678, 5122, 5161, 10322, 20291, 40582, 40891, 78209, 81782, 156418, 263783, 527566, 531583, 1016717, 1063166, 2033434, 8055527, 16111054, 104721851, 209443702]

約数ペア:

[(1, 209443702), (2, 104721851), (13, 16111054), (26, 8055527), (103, 2033434), (197, 1063166), (206, 1016717), (394, 531583), (397, 527566), (794, 263783), (1339, 156418), (2561, 81782), (2678, 78209), (5122, 40891), (5161, 40582), (10322, 20291)]