28100405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1063}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 7752139

約数列:

[1, 5, 17, 85, 311, 1063, 1555, 5287, 5315, 18071, 26435, 90355, 330593, 1652965, 5620081, 28100405]

約数ペア:

[(1, 28100405), (5, 5620081), (17, 1652965), (85, 330593), (311, 90355), (1063, 26435), (1555, 18071), (5287, 5315)]