81412076

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{21179}}^1$

素因数の和:21245

約数の個数: 18

約数和(自身を含む): 147222180

約数和(自身を除く): 65810104

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 21179, 42358, 84716, 656549, 1313098, 2626196, 20353019, 40706038, 81412076]

約数ペア:

[(1, 81412076), (2, 40706038), (4, 20353019), (31, 2626196), (62, 1313098), (124, 656549), (961, 84716), (1922, 42358), (3844, 21179)]