128863904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{309769}}^1$

素因数の和:309792

約数の個数: 24

約数和(自身を含む): 273217140

約数和(自身を除く): 144353236

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 309769, 619538, 1239076, 2478152, 4026997, 4956304, 8053994, 9912608, 16107988, 32215976, 64431952, 128863904]

約数ペア:

[(1, 128863904), (2, 64431952), (4, 32215976), (8, 16107988), (13, 9912608), (16, 8053994), (26, 4956304), (32, 4026997), (52, 2478152), (104, 1239076), (208, 619538), (416, 309769)]