71681690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421657}}^1$

素因数の和:421681

約数の個数: 16

約数和(自身を含む): 136617192

約数和(自身を除く): 64935502

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421657, 843314, 2108285, 4216570, 7168169, 14336338, 35840845, 71681690]

約数ペア:

[(1, 71681690), (2, 35840845), (5, 14336338), (10, 7168169), (17, 4216570), (34, 2108285), (85, 843314), (170, 421657)]