81014856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2521}}^1$

素因数の和:2646

約数の個数: 64

約数和(自身を含む): 220321920

約数和(自身を除く): 139307064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 103, 104, 156, 206, 309, 312, 412, 618, 824, 1236, 1339, 2472, 2521, 2678, 4017, 5042, 5356, 7563, 8034, 10084, 10712, 15126, 16068, 20168, 30252, 32136, 32773, 60504, 65546, 98319, 131092, 196638, 259663, 262184, 393276, 519326, 778989, 786552, 1038652, 1557978, 2077304, 3115956, 3375619, 6231912, 6751238, 10126857, 13502476, 20253714, 27004952, 40507428, 81014856]

約数ペア:

[(1, 81014856), (2, 40507428), (3, 27004952), (4, 20253714), (6, 13502476), (8, 10126857), (12, 6751238), (13, 6231912), (24, 3375619), (26, 3115956), (39, 2077304), (52, 1557978), (78, 1038652), (103, 786552), (104, 778989), (156, 519326), (206, 393276), (309, 262184), (312, 259663), (412, 196638), (618, 131092), (824, 98319), (1236, 65546), (1339, 60504), (2472, 32773), (2521, 32136), (2678, 30252), (4017, 20168), (5042, 16068), (5356, 15126), (7563, 10712), (8034, 10084)]