28639998

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43003}}^1$

素因数の和:43048

約数の個数: 24

約数和(自身を含む): 63731928

約数和(自身を除く): 35091930

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 43003, 86006, 129009, 258018, 387027, 774054, 1591111, 3182222, 4773333, 9546666, 14319999, 28639998]

約数ペア:

[(1, 28639998), (2, 14319999), (3, 9546666), (6, 4773333), (9, 3182222), (18, 1591111), (37, 774054), (74, 387027), (111, 258018), (222, 129009), (333, 86006), (666, 43003)]