220428416

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{132469}}^1$

素因数の和:132496

約数の個数: 32

約数和(自身を含む): 472917900

約数和(自身を除く): 252489484

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 132469, 264938, 529876, 1059752, 1722097, 2119504, 3444194, 4239008, 6888388, 8478016, 13776776, 16956032, 27553552, 55107104, 110214208, 220428416]

約数ペア:

[(1, 220428416), (2, 110214208), (4, 55107104), (8, 27553552), (13, 16956032), (16, 13776776), (26, 8478016), (32, 6888388), (52, 4239008), (64, 3444194), (104, 2119504), (128, 1722097), (208, 1059752), (416, 529876), (832, 264938), (1664, 132469)]