12821261256

素因数分解:

$2^3\times 3^7\times {\mathrm{19}}^1\times {\mathrm{38569}}^1$

素因数の和:38615

約数の個数: 128

約数和(自身を含む): 37952880000

約数和(自身を除く): 25131618744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 456, 486, 513, 648, 684, 729, 972, 1026, 1368, 1458, 1539, 1944, 2052, 2187, 2916, 3078, 4104, 4374, 4617, 5832, 6156, 8748, 9234, 12312, 13851, 17496, 18468, 27702, 36936, 38569, 41553, 55404, 77138, 83106, 110808, 115707, 154276, 166212, 231414, 308552, 332424, 347121, 462828, 694242, 732811, 925656, 1041363, 1388484, 1465622, 2082726, 2198433, 2776968, 2931244, 3124089, 4165452, 4396866, 5862488, 6248178, 6595299, 8330904, 8793732, 9372267, 12496356, 13190598, 17587464, 18744534, 19785897, 24992712, 26381196, 28116801, 37489068, 39571794, 52762392, 56233602, 59357691, 74978136, 79143588, 84350403, 112467204, 118715382, 158287176, 168700806, 178073073, 224934408, 237430764, 337401612, 356146146, 474861528, 534219219, 674803224, 712292292, 1068438438, 1424584584, 1602657657, 2136876876, 3205315314, 4273753752, 6410630628, 12821261256]

約数ペア:

[(1, 12821261256), (2, 6410630628), (3, 4273753752), (4, 3205315314), (6, 2136876876), (8, 1602657657), (9, 1424584584), (12, 1068438438), (18, 712292292), (19, 674803224), (24, 534219219), (27, 474861528), (36, 356146146), (38, 337401612), (54, 237430764), (57, 224934408), (72, 178073073), (76, 168700806), (81, 158287176), (108, 118715382), (114, 112467204), (152, 84350403), (162, 79143588), (171, 74978136), (216, 59357691), (228, 56233602), (243, 52762392), (324, 39571794), (342, 37489068), (456, 28116801), (486, 26381196), (513, 24992712), (648, 19785897), (684, 18744534), (729, 17587464), (972, 13190598), (1026, 12496356), (1368, 9372267), (1458, 8793732), (1539, 8330904), (1944, 6595299), (2052, 6248178), (2187, 5862488), (2916, 4396866), (3078, 4165452), (4104, 3124089), (4374, 2931244), (4617, 2776968), (5832, 2198433), (6156, 2082726), (8748, 1465622), (9234, 1388484), (12312, 1041363), (13851, 925656), (17496, 732811), (18468, 694242), (27702, 462828), (36936, 347121), (38569, 332424), (41553, 308552), (55404, 231414), (77138, 166212), (83106, 154276), (110808, 115707)]