218431128

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{245981}}^1$

素因数の和:246027

約数の個数: 32

約数和(自身を含む): 560838960

約数和(自身を除く): 342407832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 245981, 491962, 737943, 983924, 1475886, 1967848, 2951772, 5903544, 9101297, 18202594, 27303891, 36405188, 54607782, 72810376, 109215564, 218431128]

約数ペア:

[(1, 218431128), (2, 109215564), (3, 72810376), (4, 54607782), (6, 36405188), (8, 27303891), (12, 18202594), (24, 9101297), (37, 5903544), (74, 2951772), (111, 1967848), (148, 1475886), (222, 983924), (296, 737943), (444, 491962), (888, 245981)]