256828572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7127}}^1$

素因数の和:7168

約数の個数: 144

約数和(自身を含む): 871782912

約数和(自身を除く): 614954340

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 693, 819, 858, 924, 1001, 1092, 1287, 1386, 1638, 1716, 2002, 2574, 2772, 3003, 3276, 4004, 5148, 6006, 7127, 9009, 12012, 14254, 18018, 21381, 28508, 36036, 42762, 49889, 64143, 78397, 85524, 92651, 99778, 128286, 149667, 156794, 185302, 199556, 235191, 256572, 277953, 299334, 313588, 370604, 449001, 470382, 548779, 555906, 598668, 648557, 705573, 833859, 898002, 940764, 1019161, 1097558, 1111812, 1297114, 1411146, 1646337, 1667718, 1796004, 1945671, 2038322, 2195116, 2594228, 2822292, 3057483, 3292674, 3335436, 3891342, 4076644, 4939011, 5837013, 6114966, 6585348, 7134127, 7782684, 9172449, 9878022, 11674026, 12229932, 14268254, 18344898, 19756044, 21402381, 23348052, 28536508, 36689796, 42804762, 64207143, 85609524, 128414286, 256828572]

約数ペア:

[(1, 256828572), (2, 128414286), (3, 85609524), (4, 64207143), (6, 42804762), (7, 36689796), (9, 28536508), (11, 23348052), (12, 21402381), (13, 19756044), (14, 18344898), (18, 14268254), (21, 12229932), (22, 11674026), (26, 9878022), (28, 9172449), (33, 7782684), (36, 7134127), (39, 6585348), (42, 6114966), (44, 5837013), (52, 4939011), (63, 4076644), (66, 3891342), (77, 3335436), (78, 3292674), (84, 3057483), (91, 2822292), (99, 2594228), (117, 2195116), (126, 2038322), (132, 1945671), (143, 1796004), (154, 1667718), (156, 1646337), (182, 1411146), (198, 1297114), (231, 1111812), (234, 1097558), (252, 1019161), (273, 940764), (286, 898002), (308, 833859), (364, 705573), (396, 648557), (429, 598668), (462, 555906), (468, 548779), (546, 470382), (572, 449001), (693, 370604), (819, 313588), (858, 299334), (924, 277953), (1001, 256572), (1092, 235191), (1287, 199556), (1386, 185302), (1638, 156794), (1716, 149667), (2002, 128286), (2574, 99778), (2772, 92651), (3003, 85524), (3276, 78397), (4004, 64143), (5148, 49889), (6006, 42762), (7127, 36036), (9009, 28508), (12012, 21381), (14254, 18018)]