30990206

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:636

約数の個数: 24

約数和(自身を含む): 50670504

約数和(自身を除く): 19680298

約数列:

[1, 2, 13, 26, 169, 277, 331, 338, 554, 662, 3601, 4303, 7202, 8606, 46813, 55939, 91687, 93626, 111878, 183374, 1191931, 2383862, 15495103, 30990206]

約数ペア:

[(1, 30990206), (2, 15495103), (13, 2383862), (26, 1191931), (169, 183374), (277, 111878), (331, 93626), (338, 91687), (554, 55939), (662, 46813), (3601, 8606), (4303, 7202)]