81889808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5152

約数の個数: 80

約数和(自身を含む): 213069696

約数和(自身を除く): 131179888

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, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 5113, 8008, 10226, 16016, 20452, 35791, 40904, 56243, 66469, 71582, 81808, 112486, 132938, 143164, 224972, 265876, 286328, 393701, 449944, 465283, 531752, 572656, 731159, 787402, 899888, 930566, 1063504, 1462318, 1574804, 1861132, 2924636, 3149608, 3722264, 5118113, 5849272, 6299216, 7444528, 10236226, 11698544, 20472452, 40944904, 81889808]

約数ペア:

[(1, 81889808), (2, 40944904), (4, 20472452), (7, 11698544), (8, 10236226), (11, 7444528), (13, 6299216), (14, 5849272), (16, 5118113), (22, 3722264), (26, 3149608), (28, 2924636), (44, 1861132), (52, 1574804), (56, 1462318), (77, 1063504), (88, 930566), (91, 899888), (104, 787402), (112, 731159), (143, 572656), (154, 531752), (176, 465283), (182, 449944), (208, 393701), (286, 286328), (308, 265876), (364, 224972), (572, 143164), (616, 132938), (728, 112486), (1001, 81808), (1144, 71582), (1232, 66469), (1456, 56243), (2002, 40904), (2288, 35791), (4004, 20452), (5113, 16016), (8008, 10226)]