261270438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{304511}}^1$

素因数の和:304540

約数の個数: 32

約数和(自身を含む): 613896192

約数和(自身を除く): 352625754

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 304511, 609022, 913533, 1827066, 3349621, 3958643, 6699242, 7917286, 10048863, 11875929, 20097726, 23751858, 43545073, 87090146, 130635219, 261270438]

約数ペア:

[(1, 261270438), (2, 130635219), (3, 87090146), (6, 43545073), (11, 23751858), (13, 20097726), (22, 11875929), (26, 10048863), (33, 7917286), (39, 6699242), (66, 3958643), (78, 3349621), (143, 1827066), (286, 913533), (429, 609022), (858, 304511)]