138049205

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 194876928

約数和(自身を除く): 56827723

約数列:

[1, 5, 7, 35, 71, 73, 355, 365, 497, 511, 761, 2485, 2555, 3805, 5183, 5327, 25915, 26635, 36281, 54031, 55553, 181405, 270155, 277765, 378217, 388871, 1891085, 1944355, 3944263, 19721315, 27609841, 138049205]

約数ペア:

[(1, 138049205), (5, 27609841), (7, 19721315), (35, 3944263), (71, 1944355), (73, 1891085), (355, 388871), (365, 378217), (497, 277765), (511, 270155), (761, 181405), (2485, 55553), (2555, 54031), (3805, 36281), (5183, 26635), (5327, 25915)]