663140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 1415232

約数和(自身を除く): 752092

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 467, 710, 934, 1420, 1868, 2335, 4670, 9340, 33157, 66314, 132628, 165785, 331570, 663140]

約数ペア:

[(1, 663140), (2, 331570), (4, 165785), (5, 132628), (10, 66314), (20, 33157), (71, 9340), (142, 4670), (284, 2335), (355, 1868), (467, 1420), (710, 934)]