1990346514

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25517263}}^1$

素因数の和:25517281

約数の個数: 16

約数和(自身を含む): 4286900352

約数和(自身を除く): 2296553838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25517263, 51034526, 76551789, 153103578, 331724419, 663448838, 995173257, 1990346514]

約数ペア:

[(1, 1990346514), (2, 995173257), (3, 663448838), (6, 331724419), (13, 153103578), (26, 76551789), (39, 51034526), (78, 25517263)]