65406905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 85929984

約数和(自身を除く): 20523079

約数列:

[1, 5, 17, 73, 83, 85, 127, 365, 415, 635, 1241, 1411, 2159, 6059, 6205, 7055, 9271, 10541, 10795, 30295, 46355, 52705, 103003, 157607, 179197, 515015, 769493, 788035, 895985, 3847465, 13081381, 65406905]

約数ペア:

[(1, 65406905), (5, 13081381), (17, 3847465), (73, 895985), (83, 788035), (85, 769493), (127, 515015), (365, 179197), (415, 157607), (635, 103003), (1241, 52705), (1411, 46355), (2159, 30295), (6059, 10795), (6205, 10541), (7055, 9271)]