221134288

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{105503}}^1$

素因数の和:105642

約数の個数: 20

約数和(自身を含む): 431722368

約数和(自身を除く): 210588080

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 105503, 211006, 422012, 844024, 1688048, 13820893, 27641786, 55283572, 110567144, 221134288]

約数ペア:

[(1, 221134288), (2, 110567144), (4, 55283572), (8, 27641786), (16, 13820893), (131, 1688048), (262, 844024), (524, 422012), (1048, 211006), (2096, 105503)]