28157052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 84639744

約数和(自身を除く): 56482692

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 62, 66, 77, 84, 93, 124, 132, 154, 186, 217, 231, 308, 341, 372, 434, 462, 651, 682, 868, 924, 983, 1023, 1302, 1364, 1966, 2046, 2387, 2604, 2949, 3932, 4092, 4774, 5898, 6881, 7161, 9548, 10813, 11796, 13762, 14322, 20643, 21626, 27524, 28644, 30473, 32439, 41286, 43252, 60946, 64878, 75691, 82572, 91419, 121892, 129756, 151382, 182838, 213311, 227073, 302764, 335203, 365676, 426622, 454146, 639933, 670406, 853244, 908292, 1005609, 1279866, 1340812, 2011218, 2346421, 2559732, 4022436, 4692842, 7039263, 9385684, 14078526, 28157052]

約数ペア:

[(1, 28157052), (2, 14078526), (3, 9385684), (4, 7039263), (6, 4692842), (7, 4022436), (11, 2559732), (12, 2346421), (14, 2011218), (21, 1340812), (22, 1279866), (28, 1005609), (31, 908292), (33, 853244), (42, 670406), (44, 639933), (62, 454146), (66, 426622), (77, 365676), (84, 335203), (93, 302764), (124, 227073), (132, 213311), (154, 182838), (186, 151382), (217, 129756), (231, 121892), (308, 91419), (341, 82572), (372, 75691), (434, 64878), (462, 60946), (651, 43252), (682, 41286), (868, 32439), (924, 30473), (983, 28644), (1023, 27524), (1302, 21626), (1364, 20643), (1966, 14322), (2046, 13762), (2387, 11796), (2604, 10813), (2949, 9548), (3932, 7161), (4092, 6881), (4774, 5898)]