212547412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{690089}}^1$

素因数の和:690111

約数の個数: 24

約数和(自身を含む): 463740480

約数和(自身を除く): 251193068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 690089, 1380178, 2760356, 4830623, 7590979, 9661246, 15181958, 19322492, 30363916, 53136853, 106273706, 212547412]

約数ペア:

[(1, 212547412), (2, 106273706), (4, 53136853), (7, 30363916), (11, 19322492), (14, 15181958), (22, 9661246), (28, 7590979), (44, 4830623), (77, 2760356), (154, 1380178), (308, 690089)]