128399424

素因数分解:

$2^6\times 3^1\times {\mathrm{668747}}^1$

素因数の和:668762

約数の個数: 28

約数和(自身を含む): 339723984

約数和(自身を除く): 211324560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 668747, 1337494, 2006241, 2674988, 4012482, 5349976, 8024964, 10699952, 16049928, 21399904, 32099856, 42799808, 64199712, 128399424]

約数ペア:

[(1, 128399424), (2, 64199712), (3, 42799808), (4, 32099856), (6, 21399904), (8, 16049928), (12, 10699952), (16, 8024964), (24, 5349976), (32, 4012482), (48, 2674988), (64, 2006241), (96, 1337494), (192, 668747)]