1277390078

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{55217}}^1$

素因数の和:55531

約数の個数: 16

約数和(自身を含む): 1967969520

約数和(自身を除く): 690579442

約数列:

[1, 2, 43, 86, 269, 538, 11567, 23134, 55217, 110434, 2374331, 4748662, 14853373, 29706746, 638695039, 1277390078]

約数ペア:

[(1, 1277390078), (2, 638695039), (43, 29706746), (86, 14853373), (269, 4748662), (538, 2374331), (11567, 110434), (23134, 55217)]