81939518

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{3617}}^1$

素因数の和:3907

約数の個数: 16

約数和(自身を含む): 126080064

約数和(自身を除く): 44140546

約数列:

[1, 2, 47, 94, 241, 482, 3617, 7234, 11327, 22654, 169999, 339998, 871697, 1743394, 40969759, 81939518]

約数ペア:

[(1, 81939518), (2, 40969759), (47, 1743394), (94, 871697), (241, 339998), (482, 169999), (3617, 22654), (7234, 11327)]