31820554090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244773493}}^1$

素因数の和:244773513

約数の個数: 16

約数和(自身を含む): 61682920488

約数和(自身を除く): 29862366398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 244773493, 489546986, 1223867465, 2447734930, 3182055409, 6364110818, 15910277045, 31820554090]

約数ペア:

[(1, 31820554090), (2, 15910277045), (5, 6364110818), (10, 3182055409), (13, 2447734930), (26, 1223867465), (65, 489546986), (130, 244773493)]