31079825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 48282624

約数和(自身を除く): 17202799

約数列:

[1, 5, 7, 17, 25, 31, 35, 85, 119, 155, 175, 217, 337, 425, 527, 595, 775, 1085, 1685, 2359, 2635, 2975, 3689, 5425, 5729, 8425, 10447, 11795, 13175, 18445, 28645, 40103, 52235, 58975, 73129, 92225, 143225, 177599, 200515, 261175, 365645, 887995, 1002575, 1243193, 1828225, 4439975, 6215965, 31079825]

約数ペア:

[(1, 31079825), (5, 6215965), (7, 4439975), (17, 1828225), (25, 1243193), (31, 1002575), (35, 887995), (85, 365645), (119, 261175), (155, 200515), (175, 177599), (217, 143225), (337, 92225), (425, 73129), (527, 58975), (595, 52235), (775, 40103), (1085, 28645), (1685, 18445), (2359, 13175), (2635, 11795), (2975, 10447), (3689, 8425), (5425, 5729)]