51216848

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{16249}}^1$

素因数の和:16454

約数の個数: 20

約数和(自身を含む): 99742500

約数和(自身を除く): 48525652

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 16249, 32498, 64996, 129992, 259984, 3201053, 6402106, 12804212, 25608424, 51216848]

約数ペア:

[(1, 51216848), (2, 25608424), (4, 12804212), (8, 6402106), (16, 3201053), (197, 259984), (394, 129992), (788, 64996), (1576, 32498), (3152, 16249)]