205992410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{121889}}^1$

素因数の和:121922

約数の個数: 24

約数和(自身を含む): 401505660

約数和(自身を除く): 195513250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 121889, 243778, 609445, 1218890, 1584557, 3169114, 7922785, 15845570, 20599241, 41198482, 102996205, 205992410]

約数ペア:

[(1, 205992410), (2, 102996205), (5, 41198482), (10, 20599241), (13, 15845570), (26, 7922785), (65, 3169114), (130, 1584557), (169, 1218890), (338, 609445), (845, 243778), (1690, 121889)]