7210975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 36

約数和(自身を含む): 10204704

約数和(自身を除く): 2993729

約数列:

[1, 5, 17, 19, 25, 47, 85, 95, 235, 323, 361, 425, 475, 799, 893, 1175, 1615, 1805, 3995, 4465, 6137, 8075, 9025, 15181, 16967, 19975, 22325, 30685, 75905, 84835, 153425, 288439, 379525, 424175, 1442195, 7210975]

約数ペア:

[(1, 7210975), (5, 1442195), (17, 424175), (19, 379525), (25, 288439), (47, 153425), (85, 84835), (95, 75905), (235, 30685), (323, 22325), (361, 19975), (425, 16967), (475, 15181), (799, 9025), (893, 8075), (1175, 6137), (1615, 4465), (1805, 3995)]