65641332016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{995531}}^1$

素因数の和:995869

約数の個数: 40

約数和(自身を含む): 137395362384

約数和(自身を除く): 71754030368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 634, 1268, 2536, 4121, 5072, 8242, 16484, 32968, 65936, 995531, 1991062, 3982124, 7964248, 12941903, 15928496, 25883806, 51767612, 103535224, 207070448, 315583327, 631166654, 1262333308, 2524666616, 4102583251, 5049333232, 8205166502, 16410333004, 32820666008, 65641332016]

約数ペア:

[(1, 65641332016), (2, 32820666008), (4, 16410333004), (8, 8205166502), (13, 5049333232), (16, 4102583251), (26, 2524666616), (52, 1262333308), (104, 631166654), (208, 315583327), (317, 207070448), (634, 103535224), (1268, 51767612), (2536, 25883806), (4121, 15928496), (5072, 12941903), (8242, 7964248), (16484, 3982124), (32968, 1991062), (65936, 995531)]