1285241438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{117977}}^1$

素因数の和:118411

約数の個数: 16

約数和(自身を含む): 2081131920

約数和(自身を除く): 795890482

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 117977, 235954, 1533701, 3067402, 49432363, 98864726, 642620719, 1285241438]

約数ペア:

[(1, 1285241438), (2, 642620719), (13, 98864726), (26, 49432363), (419, 3067402), (838, 1533701), (5447, 235954), (10894, 117977)]