856828

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 1741824

約数和(自身を除く): 884996

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 431, 497, 862, 994, 1724, 1988, 3017, 6034, 12068, 30601, 61202, 122404, 214207, 428414, 856828]

約数ペア:

[(1, 856828), (2, 428414), (4, 214207), (7, 122404), (14, 61202), (28, 30601), (71, 12068), (142, 6034), (284, 3017), (431, 1988), (497, 1724), (862, 994)]