66405689

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 84934656

約数和(自身を除く): 18528967

約数列:

[1, 7, 17, 31, 47, 119, 217, 329, 383, 527, 799, 1457, 2681, 3689, 5593, 6511, 10199, 11873, 18001, 24769, 45577, 83111, 126007, 173383, 201841, 306017, 558031, 1412887, 2142119, 3906217, 9486527, 66405689]

約数ペア:

[(1, 66405689), (7, 9486527), (17, 3906217), (31, 2142119), (47, 1412887), (119, 558031), (217, 306017), (329, 201841), (383, 173383), (527, 126007), (799, 83111), (1457, 45577), (2681, 24769), (3689, 18001), (5593, 11873), (6511, 10199)]