2151887485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{909889}}^1$

素因数の和:909948

約数の個数: 16

約数和(自身を含む): 2882531520

約数和(自身を除く): 730644035

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 909889, 4549445, 10008779, 39125227, 50043895, 195626135, 430377497, 2151887485]

約数ペア:

[(1, 2151887485), (5, 430377497), (11, 195626135), (43, 50043895), (55, 39125227), (215, 10008779), (473, 4549445), (2365, 909889)]