291023954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211193}}^1$

素因数の和:211261

約数の個数: 16

約数和(自身を含む): 478987992

約数和(自身を除く): 187964038

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 211193, 422386, 2745509, 5491018, 11193229, 22386458, 145511977, 291023954]

約数ペア:

[(1, 291023954), (2, 145511977), (13, 22386458), (26, 11193229), (53, 5491018), (106, 2745509), (689, 422386), (1378, 211193)]