9888940945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{31259}}^1$

素因数の和:31465

約数の個数: 32

約数和(自身を含む): 13276247040

約数和(自身を除く): 3387306095

約数列:

[1, 5, 13, 31, 65, 155, 157, 403, 785, 2015, 2041, 4867, 10205, 24335, 31259, 63271, 156295, 316355, 406367, 969029, 2031835, 4845145, 4907663, 12597377, 24538315, 62986885, 63799619, 152137553, 318998095, 760687765, 1977788189, 9888940945]

約数ペア:

[(1, 9888940945), (5, 1977788189), (13, 760687765), (31, 318998095), (65, 152137553), (155, 63799619), (157, 62986885), (403, 24538315), (785, 12597377), (2015, 4907663), (2041, 4845145), (4867, 2031835), (10205, 969029), (24335, 406367), (31259, 316355), (63271, 156295)]