4005922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 6364800

約数和(自身を除く): 2358878

約数列:

[1, 2, 19, 38, 271, 389, 542, 778, 5149, 7391, 10298, 14782, 105419, 210838, 2002961, 4005922]

約数ペア:

[(1, 4005922), (2, 2002961), (19, 210838), (38, 105419), (271, 14782), (389, 10298), (542, 7391), (778, 5149)]