51216217

素因数分解:

${\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 56221200

約数和(自身を除く): 5004983

約数列:

[1, 13, 137, 149, 193, 1781, 1937, 2509, 20413, 26441, 28757, 265369, 343733, 373841, 3939709, 51216217]

約数ペア:

[(1, 51216217), (13, 3939709), (137, 373841), (149, 343733), (193, 265369), (1781, 28757), (1937, 26441), (2509, 20413)]