201551945

素因数分解:

$5^1\times 7^4\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 286643136

約数和(自身を除く): 85091191

約数列:

[1, 5, 7, 35, 49, 103, 163, 245, 343, 515, 721, 815, 1141, 1715, 2401, 3605, 5047, 5705, 7987, 12005, 16789, 25235, 35329, 39935, 55909, 83945, 117523, 176645, 247303, 279545, 391363, 587615, 822661, 1236515, 1956815, 4113305, 5758627, 28793135, 40310389, 201551945]

約数ペア:

[(1, 201551945), (5, 40310389), (7, 28793135), (35, 5758627), (49, 4113305), (103, 1956815), (163, 1236515), (245, 822661), (343, 587615), (515, 391363), (721, 279545), (815, 247303), (1141, 176645), (1715, 117523), (2401, 83945), (3605, 55909), (5047, 39935), (5705, 35329), (7987, 25235), (12005, 16789)]