209521084

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{26711}}^1$

素因数の和:26805

約数の個数: 24

約数和(自身を含む): 383691168

約数和(自身を除く): 174170084

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 3922, 7844, 26711, 53422, 106844, 988307, 1415683, 1976614, 2831366, 3953228, 5662732, 52380271, 104760542, 209521084]

約数ペア:

[(1, 209521084), (2, 104760542), (4, 52380271), (37, 5662732), (53, 3953228), (74, 2831366), (106, 1976614), (148, 1415683), (212, 988307), (1961, 106844), (3922, 53422), (7844, 26711)]