128663976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{765857}}^1$

素因数の和:765873

約数の個数: 32

約数和(自身を含む): 367611840

約数和(自身を除く): 238947864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 765857, 1531714, 2297571, 3063428, 4595142, 5360999, 6126856, 9190284, 10721998, 16082997, 18380568, 21443996, 32165994, 42887992, 64331988, 128663976]

約数ペア:

[(1, 128663976), (2, 64331988), (3, 42887992), (4, 32165994), (6, 21443996), (7, 18380568), (8, 16082997), (12, 10721998), (14, 9190284), (21, 6126856), (24, 5360999), (28, 4595142), (42, 3063428), (56, 2297571), (84, 1531714), (168, 765857)]