28704851

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 34518528

約数和(自身を除く): 5813677

約数列:

[1, 7, 23, 131, 161, 917, 1361, 3013, 9527, 21091, 31303, 178291, 219121, 1248037, 4100693, 28704851]

約数ペア:

[(1, 28704851), (7, 4100693), (23, 1248037), (131, 219121), (161, 178291), (917, 31303), (1361, 21091), (3013, 9527)]