78471575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2029}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 126866880

約数和(自身を除く): 48395305

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2029, 2275, 2975, 5525, 7735, 10145, 14203, 26377, 34493, 38675, 50725, 71015, 131885, 172465, 184639, 241451, 355075, 448409, 659425, 862325, 923195, 1207255, 2242045, 3138863, 4615975, 6036275, 11210225, 15694315, 78471575]

約数ペア:

[(1, 78471575), (5, 15694315), (7, 11210225), (13, 6036275), (17, 4615975), (25, 3138863), (35, 2242045), (65, 1207255), (85, 923195), (91, 862325), (119, 659425), (175, 448409), (221, 355075), (325, 241451), (425, 184639), (455, 172465), (595, 131885), (1105, 71015), (1547, 50725), (2029, 38675), (2275, 34493), (2975, 26377), (5525, 14203), (7735, 10145)]