13781305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 17758224

約数和(自身を除く): 3976919

約数列:

[1, 5, 17, 73, 85, 365, 1241, 2221, 6205, 11105, 37757, 162133, 188785, 810665, 2756261, 13781305]

約数ペア:

[(1, 13781305), (5, 2756261), (17, 810665), (73, 188785), (85, 162133), (365, 37757), (1241, 11105), (2221, 6205)]