201821467790

素因数分解:

$2^1\times 5^1\times {\mathrm{4561}}^1\times {\mathrm{4424939}}^1$

素因数の和:4429507

約数の個数: 16

約数和(自身を含む): 363358373040

約数和(自身を除く): 161536905250

約数列:

[1, 2, 5, 10, 4561, 9122, 22805, 45610, 4424939, 8849878, 22124695, 44249390, 20182146779, 40364293558, 100910733895, 201821467790]

約数ペア:

[(1, 201821467790), (2, 100910733895), (5, 40364293558), (10, 20182146779), (4561, 44249390), (9122, 22124695), (22805, 8849878), (45610, 4424939)]