215564724

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{21617}}^1$

素因数の和:21904

約数の個数: 36

約数和(自身を含む): 546892164

約数和(自身を除く): 331327440

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 2493, 3324, 4986, 9972, 21617, 43234, 64851, 86468, 129702, 194553, 259404, 389106, 778212, 5987909, 11975818, 17963727, 23951636, 35927454, 53891181, 71854908, 107782362, 215564724]

約数ペア:

[(1, 215564724), (2, 107782362), (3, 71854908), (4, 53891181), (6, 35927454), (9, 23951636), (12, 17963727), (18, 11975818), (36, 5987909), (277, 778212), (554, 389106), (831, 259404), (1108, 194553), (1662, 129702), (2493, 86468), (3324, 64851), (4986, 43234), (9972, 21617)]