221152336

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{99439}}^1$

素因数の和:99586

約数の個数: 20

約数和(自身を含む): 431569600

約数和(自身を除く): 210417264

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 99439, 198878, 397756, 795512, 1591024, 13822021, 27644042, 55288084, 110576168, 221152336]

約数ペア:

[(1, 221152336), (2, 110576168), (4, 55288084), (8, 27644042), (16, 13822021), (139, 1591024), (278, 795512), (556, 397756), (1112, 198878), (2224, 99439)]