389806586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{15601}}^1$

素因数の和:15678

約数の個数: 24

約数和(自身を含む): 650697012

約数和(自身を除く): 260890426

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 12493, 15601, 24986, 31202, 202813, 405626, 483631, 967262, 6287203, 12574406, 14992561, 29985122, 194903293, 389806586]

約数ペア:

[(1, 389806586), (2, 194903293), (13, 29985122), (26, 14992561), (31, 12574406), (62, 6287203), (403, 967262), (806, 483631), (961, 405626), (1922, 202813), (12493, 31202), (15601, 24986)]