218118416

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{32381}}^1$

素因数の和:32810

約数の個数: 20

約数和(自身を含む): 423621324

約数和(自身を除く): 205502908

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 32381, 64762, 129524, 259048, 518096, 13632401, 27264802, 54529604, 109059208, 218118416]

約数ペア:

[(1, 218118416), (2, 109059208), (4, 54529604), (8, 27264802), (16, 13632401), (421, 518096), (842, 259048), (1684, 129524), (3368, 64762), (6736, 32381)]