66911264

素因数分解:

$2^5\times 7^2\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 72

約数和(自身を含む): 154843920

約数和(自身を除く): 87932656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 139, 196, 224, 278, 307, 392, 556, 614, 784, 973, 1112, 1228, 1568, 1946, 2149, 2224, 2456, 3892, 4298, 4448, 4912, 6811, 7784, 8596, 9824, 13622, 15043, 15568, 17192, 27244, 30086, 31136, 34384, 42673, 54488, 60172, 68768, 85346, 108976, 120344, 170692, 217952, 240688, 298711, 341384, 481376, 597422, 682768, 1194844, 1365536, 2090977, 2389688, 4181954, 4779376, 8363908, 9558752, 16727816, 33455632, 66911264]

約数ペア:

[(1, 66911264), (2, 33455632), (4, 16727816), (7, 9558752), (8, 8363908), (14, 4779376), (16, 4181954), (28, 2389688), (32, 2090977), (49, 1365536), (56, 1194844), (98, 682768), (112, 597422), (139, 481376), (196, 341384), (224, 298711), (278, 240688), (307, 217952), (392, 170692), (556, 120344), (614, 108976), (784, 85346), (973, 68768), (1112, 60172), (1228, 54488), (1568, 42673), (1946, 34384), (2149, 31136), (2224, 30086), (2456, 27244), (3892, 17192), (4298, 15568), (4448, 15043), (4912, 13622), (6811, 9824), (7784, 8596)]