128142716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79493}}^1$

素因数の和:79541

約数の個数: 24

約数和(自身を含む): 249293184

約数和(自身を除く): 121150468

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 79493, 158986, 317972, 1033409, 2066818, 2464283, 4133636, 4928566, 9857132, 32035679, 64071358, 128142716]

約数ペア:

[(1, 128142716), (2, 64071358), (4, 32035679), (13, 9857132), (26, 4928566), (31, 4133636), (52, 2464283), (62, 2066818), (124, 1033409), (403, 317972), (806, 158986), (1612, 79493)]