28120914

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{21401}}^1$

素因数の和:21482

約数の個数: 24

約数和(自身を含む): 61766172

約数和(自身を除く): 33645258

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 21401, 42802, 64203, 128406, 192609, 385218, 1562273, 3124546, 4686819, 9373638, 14060457, 28120914]

約数ペア:

[(1, 28120914), (2, 14060457), (3, 9373638), (6, 4686819), (9, 3124546), (18, 1562273), (73, 385218), (146, 192609), (219, 128406), (438, 64203), (657, 42802), (1314, 21401)]