51147985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 79626240

約数和(自身を除く): 28478255

約数列:

[1, 5, 7, 17, 31, 35, 47, 59, 85, 119, 155, 217, 235, 295, 329, 413, 527, 595, 799, 1003, 1085, 1457, 1645, 1829, 2065, 2635, 2773, 3689, 3995, 5015, 5593, 7021, 7285, 9145, 10199, 12803, 13865, 18445, 19411, 24769, 27965, 31093, 35105, 47141, 50995, 64015, 85963, 97055, 123845, 155465, 173383, 217651, 235705, 329987, 429815, 601741, 866915, 1088255, 1461371, 1649935, 3008705, 7306855, 10229597, 51147985]

約数ペア:

[(1, 51147985), (5, 10229597), (7, 7306855), (17, 3008705), (31, 1649935), (35, 1461371), (47, 1088255), (59, 866915), (85, 601741), (119, 429815), (155, 329987), (217, 235705), (235, 217651), (295, 173383), (329, 155465), (413, 123845), (527, 97055), (595, 85963), (799, 64015), (1003, 50995), (1085, 47141), (1457, 35105), (1645, 31093), (1829, 27965), (2065, 24769), (2635, 19411), (2773, 18445), (3689, 13865), (3995, 12803), (5015, 10199), (5593, 9145), (7021, 7285)]