689410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1049

約数の個数: 16

約数和(自身を含む): 1259712

約数和(自身を除く): 570302

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 971, 1942, 4855, 9710, 68941, 137882, 344705, 689410]

約数ペア:

[(1, 689410), (2, 344705), (5, 137882), (10, 68941), (71, 9710), (142, 4855), (355, 1942), (710, 971)]