28081586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63533}}^1$

素因数の和:63565

約数の個数: 16

約数和(自身を含む): 48031704

約数和(自身を除く): 19950118

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63533, 127066, 825929, 1080061, 1651858, 2160122, 14040793, 28081586]

約数ペア:

[(1, 28081586), (2, 14040793), (13, 2160122), (17, 1651858), (26, 1080061), (34, 825929), (221, 127066), (442, 63533)]