8878889138

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{12743}}^1$

素因数の和:13226

約数の個数: 32

約数和(自身を含む): 15367428864

約数和(自身を除く): 6488539726

約数列:

[1, 2, 7, 14, 157, 314, 317, 634, 1099, 2198, 2219, 4438, 12743, 25486, 49769, 89201, 99538, 178402, 348383, 696766, 2000651, 4001302, 4039531, 8079062, 14004557, 28009114, 28276717, 56553434, 634206367, 1268412734, 4439444569, 8878889138]

約数ペア:

[(1, 8878889138), (2, 4439444569), (7, 1268412734), (14, 634206367), (157, 56553434), (314, 28276717), (317, 28009114), (634, 14004557), (1099, 8079062), (2198, 4039531), (2219, 4001302), (4438, 2000651), (12743, 696766), (25486, 348383), (49769, 178402), (89201, 99538)]