428870034

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{643949}}^1$

素因数の和:643994

約数の個数: 24

約数和(自身を含む): 954333900

約数和(自身を除く): 525463866

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 643949, 1287898, 1931847, 3863694, 5795541, 11591082, 23826113, 47652226, 71478339, 142956678, 214435017, 428870034]

約数ペア:

[(1, 428870034), (2, 214435017), (3, 142956678), (6, 71478339), (9, 47652226), (18, 23826113), (37, 11591082), (74, 5795541), (111, 3863694), (222, 1931847), (333, 1287898), (666, 643949)]