668897147

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 760598640

約数和(自身を除く): 91701493

約数列:

[1, 17, 19, 61, 289, 323, 1037, 1159, 1997, 5491, 17629, 19703, 33949, 37943, 121817, 334951, 577133, 645031, 2070889, 2314523, 10965527, 35205113, 39346891, 668897147]

約数ペア:

[(1, 668897147), (17, 39346891), (19, 35205113), (61, 10965527), (289, 2314523), (323, 2070889), (1037, 645031), (1159, 577133), (1997, 334951), (5491, 121817), (17629, 37943), (19703, 33949)]