81329248

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2580

約数の個数: 96

約数和(自身を含む): 215066880

約数和(自身を除く): 133737632

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 2464, 2539, 2912, 4004, 4576, 5078, 8008, 10156, 16016, 17773, 20312, 27929, 32032, 33007, 35546, 40624, 55858, 66014, 71092, 81248, 111716, 132028, 142184, 195503, 223432, 231049, 264056, 284368, 363077, 391006, 446864, 462098, 528112, 568736, 726154, 782012, 893728, 924196, 1056224, 1452308, 1564024, 1848392, 2541539, 2904616, 3128048, 3696784, 5083078, 5809232, 6256096, 7393568, 10166156, 11618464, 20332312, 40664624, 81329248]

約数ペア:

[(1, 81329248), (2, 40664624), (4, 20332312), (7, 11618464), (8, 10166156), (11, 7393568), (13, 6256096), (14, 5809232), (16, 5083078), (22, 3696784), (26, 3128048), (28, 2904616), (32, 2541539), (44, 1848392), (52, 1564024), (56, 1452308), (77, 1056224), (88, 924196), (91, 893728), (104, 782012), (112, 726154), (143, 568736), (154, 528112), (176, 462098), (182, 446864), (208, 391006), (224, 363077), (286, 284368), (308, 264056), (352, 231049), (364, 223432), (416, 195503), (572, 142184), (616, 132028), (728, 111716), (1001, 81248), (1144, 71092), (1232, 66014), (1456, 55858), (2002, 40624), (2288, 35546), (2464, 33007), (2539, 32032), (2912, 27929), (4004, 20312), (4576, 17773), (5078, 16016), (8008, 10156)]