128529401

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 189260064

約数和(自身を除く): 60730663

約数列:

[1, 7, 11, 13, 17, 49, 77, 83, 91, 119, 143, 169, 187, 221, 539, 581, 637, 833, 913, 1001, 1079, 1183, 1309, 1411, 1547, 1859, 2431, 2873, 4067, 6391, 7007, 7553, 8281, 9163, 9877, 10829, 11869, 13013, 14027, 15521, 17017, 18343, 20111, 31603, 44737, 52871, 69139, 83083, 91091, 98189, 108647, 119119, 128401, 140777, 154297, 201773, 221221, 238459, 581581, 687323, 760529, 898807, 1080079, 1412411, 1548547, 1669213, 2623049, 7560553, 9886877, 11684491, 18361343, 128529401]

約数ペア:

[(1, 128529401), (7, 18361343), (11, 11684491), (13, 9886877), (17, 7560553), (49, 2623049), (77, 1669213), (83, 1548547), (91, 1412411), (119, 1080079), (143, 898807), (169, 760529), (187, 687323), (221, 581581), (539, 238459), (581, 221221), (637, 201773), (833, 154297), (913, 140777), (1001, 128401), (1079, 119119), (1183, 108647), (1309, 98189), (1411, 91091), (1547, 83083), (1859, 69139), (2431, 52871), (2873, 44737), (4067, 31603), (6391, 20111), (7007, 18343), (7553, 17017), (8281, 15521), (9163, 14027), (9877, 13013), (10829, 11869)]