66722885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 86980608

約数和(自身を除く): 20257723

約数列:

[1, 5, 23, 43, 103, 115, 131, 215, 515, 655, 989, 2369, 3013, 4429, 4945, 5633, 11845, 13493, 15065, 22145, 28165, 67465, 101867, 129559, 310339, 509335, 580199, 647795, 1551695, 2900995, 13344577, 66722885]

約数ペア:

[(1, 66722885), (5, 13344577), (23, 2900995), (43, 1551695), (103, 647795), (115, 580199), (131, 509335), (215, 310339), (515, 129559), (655, 101867), (989, 67465), (2369, 28165), (3013, 22145), (4429, 15065), (4945, 13493), (5633, 11845)]