28077706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 18002294

約数列:

[1, 2, 19, 38, 47, 79, 94, 158, 199, 398, 893, 1501, 1786, 3002, 3713, 3781, 7426, 7562, 9353, 15721, 18706, 31442, 70547, 141094, 177707, 298699, 355414, 597398, 738887, 1477774, 14038853, 28077706]

約数ペア:

[(1, 28077706), (2, 14038853), (19, 1477774), (38, 738887), (47, 597398), (79, 355414), (94, 298699), (158, 177707), (199, 141094), (398, 70547), (893, 31442), (1501, 18706), (1786, 15721), (3002, 9353), (3713, 7562), (3781, 7426)]