2051212891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{777269}}^1$

素因数の和:777318

約数の個数: 16

約数和(自身を含む): 2611627200

約数和(自身を除く): 560414309

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 777269, 5440883, 10104497, 22540801, 70731479, 157785607, 293030413, 2051212891]

約数ペア:

[(1, 2051212891), (7, 293030413), (13, 157785607), (29, 70731479), (91, 22540801), (203, 10104497), (377, 5440883), (2639, 777269)]