28553005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 10638035

約数列:

[1, 5, 13, 23, 65, 71, 115, 269, 299, 355, 923, 1345, 1495, 1633, 3497, 4615, 6187, 8165, 17485, 19099, 21229, 30935, 80431, 95495, 106145, 248287, 402155, 439277, 1241435, 2196385, 5710601, 28553005]

約数ペア:

[(1, 28553005), (5, 5710601), (13, 2196385), (23, 1241435), (65, 439277), (71, 402155), (115, 248287), (269, 106145), (299, 95495), (355, 80431), (923, 30935), (1345, 21229), (1495, 19099), (1633, 17485), (3497, 8165), (4615, 6187)]