28793135

素因数分解:

$5^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 40934400

約数和(自身を除く): 12141265

約数列:

[1, 5, 7, 35, 49, 103, 163, 245, 343, 515, 721, 815, 1141, 1715, 3605, 5047, 5705, 7987, 16789, 25235, 35329, 39935, 55909, 83945, 117523, 176645, 279545, 587615, 822661, 4113305, 5758627, 28793135]

約数ペア:

[(1, 28793135), (5, 5758627), (7, 4113305), (35, 822661), (49, 587615), (103, 279545), (163, 176645), (245, 117523), (343, 83945), (515, 55909), (721, 39935), (815, 35329), (1141, 25235), (1715, 16789), (3605, 7987), (5047, 5705)]