7125745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 10036224

約数和(自身を除く): 2910479

約数列:

[1, 5, 11, 23, 43, 55, 115, 131, 215, 253, 473, 655, 989, 1265, 1441, 2365, 3013, 4945, 5633, 7205, 10879, 15065, 28165, 33143, 54395, 61963, 129559, 165715, 309815, 647795, 1425149, 7125745]

約数ペア:

[(1, 7125745), (5, 1425149), (11, 647795), (23, 309815), (43, 165715), (55, 129559), (115, 61963), (131, 54395), (215, 33143), (253, 28165), (473, 15065), (655, 10879), (989, 7205), (1265, 5633), (1441, 4945), (2365, 3013)]