289756898

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{45317}}^1$

素因数の和:45481

約数の個数: 16

約数和(自身を含む): 456805440

約数和(自身を除く): 167048542

約数列:

[1, 2, 23, 46, 139, 278, 3197, 6394, 45317, 90634, 1042291, 2084582, 6299063, 12598126, 144878449, 289756898]

約数ペア:

[(1, 289756898), (2, 144878449), (23, 12598126), (46, 6299063), (139, 2084582), (278, 1042291), (3197, 90634), (6394, 45317)]