127995968

素因数分解:

$2^6\times {\mathrm{107}}^1\times {\mathrm{18691}}^1$

素因数の和:18810

約数の個数: 28

約数和(自身を含む): 256379472

約数和(自身を除く): 128383504

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 214, 428, 856, 1712, 3424, 6848, 18691, 37382, 74764, 149528, 299056, 598112, 1196224, 1999937, 3999874, 7999748, 15999496, 31998992, 63997984, 127995968]

約数ペア:

[(1, 127995968), (2, 63997984), (4, 31998992), (8, 15999496), (16, 7999748), (32, 3999874), (64, 1999937), (107, 1196224), (214, 598112), (428, 299056), (856, 149528), (1712, 74764), (3424, 37382), (6848, 18691)]