157428726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 408748032

約数和(自身を除く): 251319306

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 71, 78, 91, 93, 131, 142, 182, 186, 213, 217, 262, 273, 393, 403, 426, 434, 497, 546, 651, 786, 806, 917, 923, 994, 1209, 1302, 1491, 1703, 1834, 1846, 2201, 2418, 2751, 2769, 2821, 2982, 3406, 4061, 4402, 5109, 5502, 5538, 5642, 6461, 6603, 8122, 8463, 9301, 10218, 11921, 12183, 12922, 13206, 15407, 16926, 18602, 19383, 23842, 24366, 27903, 28427, 28613, 30814, 35763, 38766, 46221, 52793, 55806, 56854, 57226, 65107, 71526, 85281, 85839, 92442, 105586, 120913, 130214, 158379, 170562, 171678, 195321, 200291, 241826, 288331, 316758, 362739, 369551, 390642, 400582, 576662, 600873, 725478, 739102, 846391, 864993, 1108653, 1201746, 1692782, 1729986, 2018317, 2217306, 2539173, 3748303, 4036634, 5078346, 6054951, 7496606, 11244909, 12109902, 22489818, 26238121, 52476242, 78714363, 157428726]

約数ペア:

[(1, 157428726), (2, 78714363), (3, 52476242), (6, 26238121), (7, 22489818), (13, 12109902), (14, 11244909), (21, 7496606), (26, 6054951), (31, 5078346), (39, 4036634), (42, 3748303), (62, 2539173), (71, 2217306), (78, 2018317), (91, 1729986), (93, 1692782), (131, 1201746), (142, 1108653), (182, 864993), (186, 846391), (213, 739102), (217, 725478), (262, 600873), (273, 576662), (393, 400582), (403, 390642), (426, 369551), (434, 362739), (497, 316758), (546, 288331), (651, 241826), (786, 200291), (806, 195321), (917, 171678), (923, 170562), (994, 158379), (1209, 130214), (1302, 120913), (1491, 105586), (1703, 92442), (1834, 85839), (1846, 85281), (2201, 71526), (2418, 65107), (2751, 57226), (2769, 56854), (2821, 55806), (2982, 52793), (3406, 46221), (4061, 38766), (4402, 35763), (5109, 30814), (5502, 28613), (5538, 28427), (5642, 27903), (6461, 24366), (6603, 23842), (8122, 19383), (8463, 18602), (9301, 16926), (10218, 15407), (11921, 13206), (12183, 12922)]