290830904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{399493}}^1$

素因数の和:399519

約数の個数: 32

約数和(自身を含む): 671149920

約数和(自身を除く): 380319016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 399493, 798986, 1597972, 2796451, 3195944, 5193409, 5592902, 10386818, 11185804, 20773636, 22371608, 36353863, 41547272, 72707726, 145415452, 290830904]

約数ペア:

[(1, 290830904), (2, 145415452), (4, 72707726), (7, 41547272), (8, 36353863), (13, 22371608), (14, 20773636), (26, 11185804), (28, 10386818), (52, 5592902), (56, 5193409), (91, 3195944), (104, 2796451), (182, 1597972), (364, 798986), (728, 399493)]