4257994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:825

約数の個数: 16

約数和(自身を含む): 6912360

約数和(自身を除く): 2654366

約数列:

[1, 2, 13, 26, 389, 421, 778, 842, 5057, 5473, 10114, 10946, 163769, 327538, 2128997, 4257994]

約数ペア:

[(1, 4257994), (2, 2128997), (13, 327538), (26, 163769), (389, 10946), (421, 10114), (778, 5473), (842, 5057)]