81389196

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 216

約数和(自身を含む): 260179920

約数和(自身を除く): 178790724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 37, 42, 43, 49, 58, 63, 74, 84, 86, 87, 98, 111, 116, 126, 129, 147, 148, 172, 174, 196, 203, 222, 252, 258, 259, 261, 294, 301, 333, 348, 387, 406, 441, 444, 516, 518, 522, 588, 602, 609, 666, 774, 777, 812, 882, 903, 1036, 1044, 1073, 1204, 1218, 1247, 1332, 1421, 1548, 1554, 1591, 1764, 1806, 1813, 1827, 2107, 2146, 2331, 2436, 2494, 2709, 2842, 3108, 3182, 3219, 3612, 3626, 3654, 3741, 4214, 4263, 4292, 4662, 4773, 4988, 5418, 5439, 5684, 6321, 6364, 6438, 7252, 7308, 7482, 7511, 8428, 8526, 8729, 9324, 9546, 9657, 10836, 10878, 11137, 11223, 12642, 12789, 12876, 14319, 14964, 15022, 16317, 17052, 17458, 18963, 19092, 19314, 21756, 22274, 22446, 22533, 25284, 25578, 26187, 28638, 30044, 32634, 33411, 34916, 37926, 38628, 44548, 44892, 45066, 46139, 51156, 52374, 52577, 57276, 61103, 65268, 66822, 67599, 75852, 77959, 78561, 90132, 92278, 100233, 104748, 105154, 122206, 133644, 135198, 138417, 155918, 157122, 157731, 183309, 184556, 200466, 210308, 233877, 244412, 270396, 276834, 311836, 314244, 315462, 322973, 366618, 400932, 415251, 467754, 473193, 549927, 553668, 630924, 645946, 701631, 733236, 830502, 935508, 946386, 968919, 1099854, 1291892, 1403262, 1661004, 1892772, 1937838, 2199708, 2260811, 2806524, 2906757, 3875676, 4521622, 5813514, 6782433, 9043244, 11627028, 13564866, 20347299, 27129732, 40694598, 81389196]

約数ペア:

[(1, 81389196), (2, 40694598), (3, 27129732), (4, 20347299), (6, 13564866), (7, 11627028), (9, 9043244), (12, 6782433), (14, 5813514), (18, 4521622), (21, 3875676), (28, 2906757), (29, 2806524), (36, 2260811), (37, 2199708), (42, 1937838), (43, 1892772), (49, 1661004), (58, 1403262), (63, 1291892), (74, 1099854), (84, 968919), (86, 946386), (87, 935508), (98, 830502), (111, 733236), (116, 701631), (126, 645946), (129, 630924), (147, 553668), (148, 549927), (172, 473193), (174, 467754), (196, 415251), (203, 400932), (222, 366618), (252, 322973), (258, 315462), (259, 314244), (261, 311836), (294, 276834), (301, 270396), (333, 244412), (348, 233877), (387, 210308), (406, 200466), (441, 184556), (444, 183309), (516, 157731), (518, 157122), (522, 155918), (588, 138417), (602, 135198), (609, 133644), (666, 122206), (774, 105154), (777, 104748), (812, 100233), (882, 92278), (903, 90132), (1036, 78561), (1044, 77959), (1073, 75852), (1204, 67599), (1218, 66822), (1247, 65268), (1332, 61103), (1421, 57276), (1548, 52577), (1554, 52374), (1591, 51156), (1764, 46139), (1806, 45066), (1813, 44892), (1827, 44548), (2107, 38628), (2146, 37926), (2331, 34916), (2436, 33411), (2494, 32634), (2709, 30044), (2842, 28638), (3108, 26187), (3182, 25578), (3219, 25284), (3612, 22533), (3626, 22446), (3654, 22274), (3741, 21756), (4214, 19314), (4263, 19092), (4292, 18963), (4662, 17458), (4773, 17052), (4988, 16317), (5418, 15022), (5439, 14964), (5684, 14319), (6321, 12876), (6364, 12789), (6438, 12642), (7252, 11223), (7308, 11137), (7482, 10878), (7511, 10836), (8428, 9657), (8526, 9546), (8729, 9324)]