816996986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{397759}}^1$

素因数の和:397853

約数の個数: 16

約数和(自身を含む): 1336473600

約数和(自身を除く): 519476614

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 397759, 795518, 5170867, 10341734, 31422961, 62845922, 408498493, 816996986]

約数ペア:

[(1, 816996986), (2, 408498493), (13, 62845922), (26, 31422961), (79, 10341734), (158, 5170867), (1027, 795518), (2054, 397759)]