261640418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{66643}}^1$

素因数の和:66809

約数の個数: 16

約数和(自身を含む): 425455296

約数和(自身を除く): 163814878

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 66643, 133286, 866359, 1732718, 10063093, 20126186, 130820209, 261640418]

約数ペア:

[(1, 261640418), (2, 130820209), (13, 20126186), (26, 10063093), (151, 1732718), (302, 866359), (1963, 133286), (3926, 66643)]