12961331656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{27689}}^1$

素因数の和:28358

約数の個数: 64

約数和(自身を含む): 29958364800

約数和(自身を除く): 16997033144

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 643, 728, 1286, 2572, 4501, 5144, 8359, 9002, 16718, 18004, 27689, 33436, 36008, 55378, 58513, 66872, 110756, 117026, 193823, 221512, 234052, 359957, 387646, 468104, 719914, 775292, 1439828, 1550584, 2519699, 2879656, 5039398, 10078796, 17804027, 20157592, 35608054, 71216108, 124628189, 142432216, 231452351, 249256378, 462904702, 498512756, 925809404, 997025512, 1620166457, 1851618808, 3240332914, 6480665828, 12961331656]

約数ペア:

[(1, 12961331656), (2, 6480665828), (4, 3240332914), (7, 1851618808), (8, 1620166457), (13, 997025512), (14, 925809404), (26, 498512756), (28, 462904702), (52, 249256378), (56, 231452351), (91, 142432216), (104, 124628189), (182, 71216108), (364, 35608054), (643, 20157592), (728, 17804027), (1286, 10078796), (2572, 5039398), (4501, 2879656), (5144, 2519699), (8359, 1550584), (9002, 1439828), (16718, 775292), (18004, 719914), (27689, 468104), (33436, 387646), (36008, 359957), (55378, 234052), (58513, 221512), (66872, 193823), (110756, 117026)]