81471838

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{141937}}^1$

素因数の和:141987

約数の個数: 16

約数和(自身を含む): 143073504

約数和(自身を除く): 61601666

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 141937, 283874, 993559, 1987118, 5819417, 11638834, 40735919, 81471838]

約数ペア:

[(1, 81471838), (2, 40735919), (7, 11638834), (14, 5819417), (41, 1987118), (82, 993559), (287, 283874), (574, 141937)]