128800458

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{51479}}^1$

素因数の和:51626

約数の個数: 24

約数和(自身を含む): 281080800

約数和(自身を除く): 152280342

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 51479, 102958, 154437, 308874, 463311, 926622, 7155581, 14311162, 21466743, 42933486, 64400229, 128800458]

約数ペア:

[(1, 128800458), (2, 64400229), (3, 42933486), (6, 21466743), (9, 14311162), (18, 7155581), (139, 926622), (278, 463311), (417, 308874), (834, 154437), (1251, 102958), (2502, 51479)]