12780341

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 15366144

約数和(自身を除く): 2585803

約数列:

[1, 7, 23, 161, 163, 487, 1141, 3409, 3749, 11201, 26243, 78407, 79381, 555667, 1825763, 12780341]

約数ペア:

[(1, 12780341), (7, 1825763), (23, 555667), (161, 79381), (163, 78407), (487, 26243), (1141, 11201), (3409, 3749)]