247386386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{9901}}^1$

素因数の和:9978

約数の個数: 24

約数和(自身を含む): 412972812

約数和(自身を除く): 165586426

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 9901, 12493, 19802, 24986, 128713, 257426, 306931, 613862, 3990103, 7980206, 9514861, 19029722, 123693193, 247386386]

約数ペア:

[(1, 247386386), (2, 123693193), (13, 19029722), (26, 9514861), (31, 7980206), (62, 3990103), (403, 613862), (806, 306931), (961, 257426), (1922, 128713), (9901, 24986), (12493, 19802)]