28117908

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2894

約数の個数: 96

約数和(自身を含む): 89752320

約数和(自身を除く): 61634412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2457, 2861, 3276, 4914, 5722, 8583, 9828, 11444, 17166, 20027, 25749, 34332, 37193, 40054, 51498, 60081, 74386, 77247, 80108, 102996, 111579, 120162, 148772, 154494, 180243, 223158, 240324, 260351, 308988, 334737, 360486, 446316, 520702, 540729, 669474, 720972, 781053, 1004211, 1041404, 1081458, 1338948, 1562106, 2008422, 2162916, 2343159, 3124212, 4016844, 4686318, 7029477, 9372636, 14058954, 28117908]

約数ペア:

[(1, 28117908), (2, 14058954), (3, 9372636), (4, 7029477), (6, 4686318), (7, 4016844), (9, 3124212), (12, 2343159), (13, 2162916), (14, 2008422), (18, 1562106), (21, 1338948), (26, 1081458), (27, 1041404), (28, 1004211), (36, 781053), (39, 720972), (42, 669474), (52, 540729), (54, 520702), (63, 446316), (78, 360486), (84, 334737), (91, 308988), (108, 260351), (117, 240324), (126, 223158), (156, 180243), (182, 154494), (189, 148772), (234, 120162), (252, 111579), (273, 102996), (351, 80108), (364, 77247), (378, 74386), (468, 60081), (546, 51498), (702, 40054), (756, 37193), (819, 34332), (1092, 25749), (1404, 20027), (1638, 17166), (2457, 11444), (2861, 9828), (3276, 8583), (4914, 5722)]