71987454

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 209088000

約数和(自身を除く): 137100546

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 29, 33, 42, 54, 58, 63, 66, 77, 81, 87, 99, 126, 154, 162, 174, 189, 198, 199, 203, 231, 261, 297, 319, 378, 398, 406, 462, 522, 567, 594, 597, 609, 638, 693, 783, 891, 957, 1134, 1194, 1218, 1386, 1393, 1566, 1782, 1791, 1827, 1914, 2079, 2189, 2233, 2349, 2786, 2871, 3582, 3654, 4158, 4179, 4378, 4466, 4698, 5373, 5481, 5742, 5771, 6237, 6567, 6699, 8358, 8613, 10746, 10962, 11542, 12474, 12537, 13134, 13398, 15323, 16119, 16443, 17226, 17313, 19701, 20097, 25074, 25839, 30646, 32238, 32886, 34626, 37611, 39402, 40194, 40397, 45969, 51678, 51939, 59103, 60291, 63481, 75222, 80794, 91938, 103878, 112833, 118206, 120582, 121191, 126962, 137907, 155817, 177309, 180873, 190443, 225666, 242382, 275814, 311634, 354618, 361746, 363573, 380886, 413721, 444367, 467451, 571329, 727146, 827442, 888734, 934902, 1090719, 1142658, 1241163, 1333101, 1713987, 2181438, 2482326, 2666202, 3272157, 3427974, 3999303, 5141961, 6544314, 7998606, 10283922, 11997909, 23995818, 35993727, 71987454]

約数ペア:

[(1, 71987454), (2, 35993727), (3, 23995818), (6, 11997909), (7, 10283922), (9, 7998606), (11, 6544314), (14, 5141961), (18, 3999303), (21, 3427974), (22, 3272157), (27, 2666202), (29, 2482326), (33, 2181438), (42, 1713987), (54, 1333101), (58, 1241163), (63, 1142658), (66, 1090719), (77, 934902), (81, 888734), (87, 827442), (99, 727146), (126, 571329), (154, 467451), (162, 444367), (174, 413721), (189, 380886), (198, 363573), (199, 361746), (203, 354618), (231, 311634), (261, 275814), (297, 242382), (319, 225666), (378, 190443), (398, 180873), (406, 177309), (462, 155817), (522, 137907), (567, 126962), (594, 121191), (597, 120582), (609, 118206), (638, 112833), (693, 103878), (783, 91938), (891, 80794), (957, 75222), (1134, 63481), (1194, 60291), (1218, 59103), (1386, 51939), (1393, 51678), (1566, 45969), (1782, 40397), (1791, 40194), (1827, 39402), (1914, 37611), (2079, 34626), (2189, 32886), (2233, 32238), (2349, 30646), (2786, 25839), (2871, 25074), (3582, 20097), (3654, 19701), (4158, 17313), (4179, 17226), (4378, 16443), (4466, 16119), (4698, 15323), (5373, 13398), (5481, 13134), (5742, 12537), (5771, 12474), (6237, 11542), (6567, 10962), (6699, 10746), (8358, 8613)]