4007788779

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{67021}}^1$

素因数の和:67698

約数の個数: 16

約数和(自身を含む): 5524757504

約数和(自身を除く): 1516968725

約数列:

[1, 3, 31, 93, 643, 1929, 19933, 59799, 67021, 201063, 2077651, 6232953, 43094503, 129283509, 1335929593, 4007788779]

約数ペア:

[(1, 4007788779), (3, 1335929593), (31, 129283509), (93, 43094503), (643, 6232953), (1929, 2077651), (19933, 201063), (59799, 67021)]