12715990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{25951}}^1$

素因数の和:25972

約数の個数: 24

約数和(自身を含む): 26626752

約数和(自身を除く): 13910762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 25951, 51902, 129755, 181657, 259510, 363314, 908285, 1271599, 1816570, 2543198, 6357995, 12715990]

約数ペア:

[(1, 12715990), (2, 6357995), (5, 2543198), (7, 1816570), (10, 1271599), (14, 908285), (35, 363314), (49, 259510), (70, 181657), (98, 129755), (245, 51902), (490, 25951)]