81340556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4166

約数の個数: 36

約数和(自身を含む): 160318200

約数和(自身を除く): 78977644

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 4099, 4961, 8198, 9922, 16396, 19844, 45089, 90178, 168059, 180356, 336118, 495979, 672236, 991958, 1848649, 1983916, 3697298, 7394596, 20335139, 40670278, 81340556]

約数ペア:

[(1, 81340556), (2, 40670278), (4, 20335139), (11, 7394596), (22, 3697298), (41, 1983916), (44, 1848649), (82, 991958), (121, 672236), (164, 495979), (242, 336118), (451, 180356), (484, 168059), (902, 90178), (1804, 45089), (4099, 19844), (4961, 16396), (8198, 9922)]