209905424

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{73291}}^1$

素因数の和:73478

約数の個数: 20

約数和(自身を含む): 408969360

約数和(自身を除く): 199063936

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 73291, 146582, 293164, 586328, 1172656, 13119089, 26238178, 52476356, 104952712, 209905424]

約数ペア:

[(1, 209905424), (2, 104952712), (4, 52476356), (8, 26238178), (16, 13119089), (179, 1172656), (358, 586328), (716, 293164), (1432, 146582), (2864, 73291)]