51243156

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 133739424

約数和(自身を除く): 82496268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 107, 159, 212, 214, 251, 318, 321, 428, 477, 502, 636, 642, 753, 954, 963, 1004, 1284, 1506, 1908, 1926, 2259, 3012, 3852, 4518, 5671, 9036, 11342, 13303, 17013, 22684, 26606, 26857, 34026, 39909, 51039, 53212, 53714, 68052, 79818, 80571, 102078, 107428, 119727, 159636, 161142, 204156, 239454, 241713, 322284, 478908, 483426, 966852, 1423421, 2846842, 4270263, 5693684, 8540526, 12810789, 17081052, 25621578, 51243156]

約数ペア:

[(1, 51243156), (2, 25621578), (3, 17081052), (4, 12810789), (6, 8540526), (9, 5693684), (12, 4270263), (18, 2846842), (36, 1423421), (53, 966852), (106, 483426), (107, 478908), (159, 322284), (212, 241713), (214, 239454), (251, 204156), (318, 161142), (321, 159636), (428, 119727), (477, 107428), (502, 102078), (636, 80571), (642, 79818), (753, 68052), (954, 53714), (963, 53212), (1004, 51039), (1284, 39909), (1506, 34026), (1908, 26857), (1926, 26606), (2259, 22684), (3012, 17013), (3852, 13303), (4518, 11342), (5671, 9036)]