66881254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 119845440

約数和(自身を除く): 52964186

約数列:

[1, 2, 11, 19, 22, 38, 43, 61, 86, 122, 209, 418, 473, 671, 817, 946, 1159, 1342, 1634, 2318, 2623, 3721, 5246, 7442, 8987, 12749, 17974, 25498, 28853, 40931, 49837, 57706, 70699, 81862, 99674, 141398, 160003, 320006, 548207, 777689, 1096414, 1555378, 1760033, 3040057, 3520066, 6080114, 33440627, 66881254]

約数ペア:

[(1, 66881254), (2, 33440627), (11, 6080114), (19, 3520066), (22, 3040057), (38, 1760033), (43, 1555378), (61, 1096414), (86, 777689), (122, 548207), (209, 320006), (418, 160003), (473, 141398), (671, 99674), (817, 81862), (946, 70699), (1159, 57706), (1342, 49837), (1634, 40931), (2318, 28853), (2623, 25498), (3721, 17974), (5246, 12749), (7442, 8987)]