131289928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{213133}}^1$

素因数の和:213157

約数の個数: 32

約数和(自身を含む): 306912960

約数和(自身を除く): 175623032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 213133, 426266, 852532, 1491931, 1705064, 2344463, 2983862, 4688926, 5967724, 9377852, 11935448, 16411241, 18755704, 32822482, 65644964, 131289928]

約数ペア:

[(1, 131289928), (2, 65644964), (4, 32822482), (7, 18755704), (8, 16411241), (11, 11935448), (14, 9377852), (22, 5967724), (28, 4688926), (44, 2983862), (56, 2344463), (77, 1705064), (88, 1491931), (154, 852532), (308, 426266), (616, 213133)]