278478604802

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1\times {\mathrm{1397999}}^1$

素因数の和:1398865

約数の個数: 16

約数和(自身を含む): 421346016000

約数和(自身を除く): 142867411198

約数列:

[1, 2, 137, 274, 727, 1454, 99599, 199198, 1397999, 2795998, 191525863, 383051726, 1016345273, 2032690546, 139239302401, 278478604802]

約数ペア:

[(1, 278478604802), (2, 139239302401), (137, 2032690546), (274, 1016345273), (727, 383051726), (1454, 191525863), (99599, 2795998), (199198, 1397999)]