12988976

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:850

約数の個数: 80

約数和(自身を含む): 33831168

約数和(自身を除く): 20842192

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 811, 1001, 1144, 1232, 1456, 1622, 2002, 2288, 3244, 4004, 5677, 6488, 8008, 8921, 10543, 11354, 12976, 16016, 17842, 21086, 22708, 35684, 42172, 45416, 62447, 71368, 73801, 84344, 90832, 115973, 124894, 142736, 147602, 168688, 231946, 249788, 295204, 463892, 499576, 590408, 811811, 927784, 999152, 1180816, 1623622, 1855568, 3247244, 6494488, 12988976]

約数ペア:

[(1, 12988976), (2, 6494488), (4, 3247244), (7, 1855568), (8, 1623622), (11, 1180816), (13, 999152), (14, 927784), (16, 811811), (22, 590408), (26, 499576), (28, 463892), (44, 295204), (52, 249788), (56, 231946), (77, 168688), (88, 147602), (91, 142736), (104, 124894), (112, 115973), (143, 90832), (154, 84344), (176, 73801), (182, 71368), (208, 62447), (286, 45416), (308, 42172), (364, 35684), (572, 22708), (616, 21086), (728, 17842), (811, 16016), (1001, 12976), (1144, 11354), (1232, 10543), (1456, 8921), (1622, 8008), (2002, 6488), (2288, 5677), (3244, 4004)]