127981588

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{106297}}^1$

素因数の和:106351

約数の個数: 24

約数和(自身を含む): 261918272

約数和(自身を除く): 133936684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 106297, 212594, 425188, 744079, 1488158, 2976316, 4570771, 9141542, 18283084, 31995397, 63990794, 127981588]

約数ペア:

[(1, 127981588), (2, 63990794), (4, 31995397), (7, 18283084), (14, 9141542), (28, 4570771), (43, 2976316), (86, 1488158), (172, 744079), (301, 425188), (602, 212594), (1204, 106297)]