1285185978

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{859}}^1\times {\mathrm{1933}}^1$

素因数の和:2843

約数の個数: 48

約数和(自身を含む): 2854119840

約数和(自身を除く): 1568933862

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 859, 1718, 1933, 2577, 3866, 5154, 5799, 7731, 11598, 15462, 17397, 34794, 36937, 73874, 83119, 110811, 166238, 221622, 249357, 332433, 498714, 664866, 748071, 1496142, 1660447, 3320894, 4981341, 9962682, 14944023, 29888046, 71399221, 142798442, 214197663, 428395326, 642592989, 1285185978]

約数ペア:

[(1, 1285185978), (2, 642592989), (3, 428395326), (6, 214197663), (9, 142798442), (18, 71399221), (43, 29888046), (86, 14944023), (129, 9962682), (258, 4981341), (387, 3320894), (774, 1660447), (859, 1496142), (1718, 748071), (1933, 664866), (2577, 498714), (3866, 332433), (5154, 249357), (5799, 221622), (7731, 166238), (11598, 110811), (15462, 83119), (17397, 73874), (34794, 36937)]