890759974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{78041}}^1$

素因数の和:78495

約数の個数: 16

約数和(自身を含む): 1442216160

約数和(自身を除く): 551456186

約数列:

[1, 2, 13, 26, 439, 878, 5707, 11414, 78041, 156082, 1014533, 2029066, 34259999, 68519998, 445379987, 890759974]

約数ペア:

[(1, 890759974), (2, 445379987), (13, 68519998), (26, 34259999), (439, 2029066), (878, 1014533), (5707, 156082), (11414, 78041)]