28405856

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{13249}}^1$

素因数の和:13326

約数の個数: 24

約数和(自身を含む): 56763000

約数和(自身を除く): 28357144

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 13249, 26498, 52996, 105992, 211984, 423968, 887683, 1775366, 3550732, 7101464, 14202928, 28405856]

約数ペア:

[(1, 28405856), (2, 14202928), (4, 7101464), (8, 3550732), (16, 1775366), (32, 887683), (67, 423968), (134, 211984), (268, 105992), (536, 52996), (1072, 26498), (2144, 13249)]