28079359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 10973441

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1129, 1309, 1463, 2261, 3553, 7903, 12419, 19193, 21451, 24871, 86933, 134351, 150157, 211123, 235961, 364667, 1477861, 1651727, 2552669, 4011337, 28079359]

約数ペア:

[(1, 28079359), (7, 4011337), (11, 2552669), (17, 1651727), (19, 1477861), (77, 364667), (119, 235961), (133, 211123), (187, 150157), (209, 134351), (323, 86933), (1129, 24871), (1309, 21451), (1463, 19193), (2261, 12419), (3553, 7903)]