78399972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{311111}}^1$

素因数の和:311128

約数の個数: 36

約数和(自身を含む): 226489536

約数和(自身を除く): 148089564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 311111, 622222, 933333, 1244444, 1866666, 2177777, 2799999, 3733332, 4355554, 5599998, 6533331, 8711108, 11199996, 13066662, 19599993, 26133324, 39199986, 78399972]

約数ペア:

[(1, 78399972), (2, 39199986), (3, 26133324), (4, 19599993), (6, 13066662), (7, 11199996), (9, 8711108), (12, 6533331), (14, 5599998), (18, 4355554), (21, 3733332), (28, 2799999), (36, 2177777), (42, 1866666), (63, 1244444), (84, 933333), (126, 622222), (252, 311111)]