209270908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{679451}}^1$

素因数の和:679473

約数の個数: 24

約数和(自身を含む): 456591744

約数和(自身を除く): 247320836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 679451, 1358902, 2717804, 4756157, 7473961, 9512314, 14947922, 19024628, 29895844, 52317727, 104635454, 209270908]

約数ペア:

[(1, 209270908), (2, 104635454), (4, 52317727), (7, 29895844), (11, 19024628), (14, 14947922), (22, 9512314), (28, 7473961), (44, 4756157), (77, 2717804), (154, 1358902), (308, 679451)]