1557996882

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19974319}}^1$

素因数の和:19974337

約数の個数: 16

約数和(自身を含む): 3355685760

約数和(自身を除く): 1797688878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 19974319, 39948638, 59922957, 119845914, 259666147, 519332294, 778998441, 1557996882]

約数ペア:

[(1, 1557996882), (2, 778998441), (3, 519332294), (6, 259666147), (13, 119845914), (26, 59922957), (39, 39948638), (78, 19974319)]