209356414

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{107}}^2\times {\mathrm{223}}^1$

素因数の和:480

約数の個数: 24

約数和(自身を含む): 326184768

約数和(自身を除く): 116828354

約数列:

[1, 2, 41, 82, 107, 214, 223, 446, 4387, 8774, 9143, 11449, 18286, 22898, 23861, 47722, 469409, 938818, 978301, 1956602, 2553127, 5106254, 104678207, 209356414]

約数ペア:

[(1, 209356414), (2, 104678207), (41, 5106254), (82, 2553127), (107, 1956602), (214, 978301), (223, 938818), (446, 469409), (4387, 47722), (8774, 23861), (9143, 22898), (11449, 18286)]