209460304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{1217}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 420473088

約数和(自身を除く): 211012784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 347, 496, 694, 1217, 1388, 2434, 2776, 4868, 5552, 9736, 10757, 19472, 21514, 37727, 43028, 75454, 86056, 150908, 172112, 301816, 422299, 603632, 844598, 1689196, 3378392, 6756784, 13091269, 26182538, 52365076, 104730152, 209460304]

約数ペア:

[(1, 209460304), (2, 104730152), (4, 52365076), (8, 26182538), (16, 13091269), (31, 6756784), (62, 3378392), (124, 1689196), (248, 844598), (347, 603632), (496, 422299), (694, 301816), (1217, 172112), (1388, 150908), (2434, 86056), (2776, 75454), (4868, 43028), (5552, 37727), (9736, 21514), (10757, 19472)]