3978772018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{348587}}^1$

素因数の和:349041

約数の個数: 16

約数和(自身を含む): 6441906240

約数和(自身を除く): 2463134222

約数列:

[1, 2, 13, 26, 439, 878, 5707, 11414, 348587, 697174, 4531631, 9063262, 153029693, 306059386, 1989386009, 3978772018]

約数ペア:

[(1, 3978772018), (2, 1989386009), (13, 306059386), (26, 153029693), (439, 9063262), (878, 4531631), (5707, 697174), (11414, 348587)]