219325136

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{135721}}^1$

素因数の和:135830

約数の個数: 20

約数和(自身を含む): 429152964

約数和(自身を除く): 209827828

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 135721, 271442, 542884, 1085768, 2171536, 13707821, 27415642, 54831284, 109662568, 219325136]

約数ペア:

[(1, 219325136), (2, 109662568), (4, 54831284), (8, 27415642), (16, 13707821), (101, 2171536), (202, 1085768), (404, 542884), (808, 271442), (1616, 135721)]