81948848

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{25999}}^1$

素因数の和:26204

約数の個数: 20

約数和(自身を含む): 159588000

約数和(自身を除く): 77639152

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 25999, 51998, 103996, 207992, 415984, 5121803, 10243606, 20487212, 40974424, 81948848]

約数ペア:

[(1, 81948848), (2, 40974424), (4, 20487212), (8, 10243606), (16, 5121803), (197, 415984), (394, 207992), (788, 103996), (1576, 51998), (3152, 25999)]