209555426

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{3389}}^1$

素因数の和:4153

約数の個数: 16

約数和(自身を含む): 322185600

約数和(自身を除く): 112630174

約数列:

[1, 2, 43, 86, 719, 1438, 3389, 6778, 30917, 61834, 145727, 291454, 2436691, 4873382, 104777713, 209555426]

約数ペア:

[(1, 209555426), (2, 104777713), (43, 4873382), (86, 2436691), (719, 291454), (1438, 145727), (3389, 61834), (6778, 30917)]