28680645448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39396491}}^1$

素因数の和:39396517

約数の個数: 32

約数和(自身を含む): 66186106560

約数和(自身を除く): 37505461112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 39396491, 78792982, 157585964, 275775437, 315171928, 512154383, 551550874, 1024308766, 1103101748, 2048617532, 2206203496, 3585080681, 4097235064, 7170161362, 14340322724, 28680645448]

約数ペア:

[(1, 28680645448), (2, 14340322724), (4, 7170161362), (7, 4097235064), (8, 3585080681), (13, 2206203496), (14, 2048617532), (26, 1103101748), (28, 1024308766), (52, 551550874), (56, 512154383), (91, 315171928), (104, 275775437), (182, 157585964), (364, 78792982), (728, 39396491)]