291256291

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 326093040

約数和(自身を除く): 34836749

約数列:

[1, 17, 23, 139, 233, 391, 529, 2363, 3197, 3961, 5359, 8993, 32387, 54349, 73531, 91103, 123257, 550579, 744901, 1250027, 2095369, 12663317, 17132723, 291256291]

約数ペア:

[(1, 291256291), (17, 17132723), (23, 12663317), (139, 2095369), (233, 1250027), (391, 744901), (529, 550579), (2363, 123257), (3197, 91103), (3961, 73531), (5359, 54349), (8993, 32387)]