1281658854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 3189768192

約数和(自身を除く): 1908109338

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 62, 69, 93, 127, 138, 161, 186, 217, 254, 322, 337, 381, 434, 483, 651, 674, 713, 762, 889, 966, 1011, 1302, 1426, 1778, 2022, 2139, 2359, 2667, 2921, 3937, 4278, 4718, 4991, 5334, 5842, 7077, 7751, 7874, 8763, 9982, 10447, 11811, 14154, 14973, 15502, 17526, 20447, 20894, 23253, 23622, 27559, 29946, 31341, 40894, 42799, 46506, 54257, 55118, 61341, 62682, 73129, 82677, 85598, 90551, 108514, 122682, 128397, 146258, 162771, 165354, 181102, 219387, 240281, 256794, 271653, 299593, 325542, 438774, 480562, 543306, 599186, 633857, 720843, 898779, 984377, 1267714, 1326769, 1441686, 1681967, 1797558, 1901571, 1968754, 2653538, 2953131, 3363934, 3803142, 3980307, 5045901, 5906262, 6890639, 7960614, 9287383, 10091802, 13781278, 18574766, 20671917, 27862149, 30515687, 41343834, 55724298, 61031374, 91547061, 183094122, 213609809, 427219618, 640829427, 1281658854]

約数ペア:

[(1, 1281658854), (2, 640829427), (3, 427219618), (6, 213609809), (7, 183094122), (14, 91547061), (21, 61031374), (23, 55724298), (31, 41343834), (42, 30515687), (46, 27862149), (62, 20671917), (69, 18574766), (93, 13781278), (127, 10091802), (138, 9287383), (161, 7960614), (186, 6890639), (217, 5906262), (254, 5045901), (322, 3980307), (337, 3803142), (381, 3363934), (434, 2953131), (483, 2653538), (651, 1968754), (674, 1901571), (713, 1797558), (762, 1681967), (889, 1441686), (966, 1326769), (1011, 1267714), (1302, 984377), (1426, 898779), (1778, 720843), (2022, 633857), (2139, 599186), (2359, 543306), (2667, 480562), (2921, 438774), (3937, 325542), (4278, 299593), (4718, 271653), (4991, 256794), (5334, 240281), (5842, 219387), (7077, 181102), (7751, 165354), (7874, 162771), (8763, 146258), (9982, 128397), (10447, 122682), (11811, 108514), (14154, 90551), (14973, 85598), (15502, 82677), (17526, 73129), (20447, 62682), (20894, 61341), (23253, 55118), (23622, 54257), (27559, 46506), (29946, 42799), (31341, 40894)]