28003856

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 55752384

約数和(自身を除く): 27748528

約数列:

[1, 2, 4, 8, 16, 67, 134, 151, 173, 268, 302, 346, 536, 604, 692, 1072, 1208, 1384, 2416, 2768, 10117, 11591, 20234, 23182, 26123, 40468, 46364, 52246, 80936, 92728, 104492, 161872, 185456, 208984, 417968, 1750241, 3500482, 7000964, 14001928, 28003856]

約数ペア:

[(1, 28003856), (2, 14001928), (4, 7000964), (8, 3500482), (16, 1750241), (67, 417968), (134, 208984), (151, 185456), (173, 161872), (268, 104492), (302, 92728), (346, 80936), (536, 52246), (604, 46364), (692, 40468), (1072, 26123), (1208, 23182), (1384, 20234), (2416, 11591), (2768, 10117)]