17717140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126551}}^1$

素因数の和:126567

約数の個数: 24

約数和(自身を含む): 42521472

約数和(自身を除く): 24804332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126551, 253102, 506204, 632755, 885857, 1265510, 1771714, 2531020, 3543428, 4429285, 8858570, 17717140]

約数ペア:

[(1, 17717140), (2, 8858570), (4, 4429285), (5, 3543428), (7, 2531020), (10, 1771714), (14, 1265510), (20, 885857), (28, 632755), (35, 506204), (70, 253102), (140, 126551)]