866409838

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 1561697280

約数和(自身を除く): 695287442

約数列:

[1, 2, 7, 14, 43, 86, 89, 103, 157, 178, 206, 301, 314, 602, 623, 721, 1099, 1246, 1442, 2198, 3827, 4429, 6751, 7654, 8858, 9167, 13502, 13973, 16171, 18334, 26789, 27946, 31003, 32342, 47257, 53578, 62006, 64169, 94514, 97811, 113197, 128338, 195622, 226394, 394181, 600839, 695353, 788362, 1201678, 1390706, 1439219, 2759267, 2878438, 4205873, 4867471, 5518534, 8411746, 9734942, 10074533, 20149066, 61886417, 123772834, 433204919, 866409838]

約数ペア:

[(1, 866409838), (2, 433204919), (7, 123772834), (14, 61886417), (43, 20149066), (86, 10074533), (89, 9734942), (103, 8411746), (157, 5518534), (178, 4867471), (206, 4205873), (301, 2878438), (314, 2759267), (602, 1439219), (623, 1390706), (721, 1201678), (1099, 788362), (1246, 695353), (1442, 600839), (2198, 394181), (3827, 226394), (4429, 195622), (6751, 128338), (7654, 113197), (8858, 97811), (9167, 94514), (13502, 64169), (13973, 62006), (16171, 53578), (18334, 47257), (26789, 32342), (27946, 31003)]