157430455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20353}}^1$

素因数の和:20395

約数の個数: 32

約数和(自身を含む): 246201984

約数和(自身を除く): 88771529

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 20353, 101765, 142471, 264589, 346001, 712355, 1322945, 1730005, 1852123, 2422007, 4498013, 9260615, 12110035, 22490065, 31486091, 157430455]

約数ペア:

[(1, 157430455), (5, 31486091), (7, 22490065), (13, 12110035), (17, 9260615), (35, 4498013), (65, 2422007), (85, 1852123), (91, 1730005), (119, 1322945), (221, 712355), (455, 346001), (595, 264589), (1105, 142471), (1547, 101765), (7735, 20353)]