81701744

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{30577}}^1$

素因数の和:30752

約数の個数: 20

約数和(自身を含む): 159250224

約数和(自身を除く): 77548480

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 30577, 61154, 122308, 244616, 489232, 5106359, 10212718, 20425436, 40850872, 81701744]

約数ペア:

[(1, 81701744), (2, 40850872), (4, 20425436), (8, 10212718), (16, 5106359), (167, 489232), (334, 244616), (668, 122308), (1336, 61154), (2672, 30577)]