71717590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53923}}^1$

素因数の和:53956

約数の個数: 32

約数和(自身を含む): 155301120

約数和(自身を除く): 83583530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 53923, 107846, 269615, 377461, 539230, 754922, 1024537, 1887305, 2049074, 3774610, 5122685, 7171759, 10245370, 14343518, 35858795, 71717590]

約数ペア:

[(1, 71717590), (2, 35858795), (5, 14343518), (7, 10245370), (10, 7171759), (14, 5122685), (19, 3774610), (35, 2049074), (38, 1887305), (70, 1024537), (95, 754922), (133, 539230), (190, 377461), (266, 269615), (665, 107846), (1330, 53923)]