81151664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10723}}^1$

素因数の和:10785

約数の個数: 40

約数和(自身を含む): 175530432

約数和(自身を除く): 94378768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 10723, 21446, 42892, 85784, 117953, 171568, 235906, 461089, 471812, 922178, 943624, 1844356, 1887248, 3688712, 5071979, 7377424, 10143958, 20287916, 40575832, 81151664]

約数ペア:

[(1, 81151664), (2, 40575832), (4, 20287916), (8, 10143958), (11, 7377424), (16, 5071979), (22, 3688712), (43, 1887248), (44, 1844356), (86, 943624), (88, 922178), (172, 471812), (176, 461089), (344, 235906), (473, 171568), (688, 117953), (946, 85784), (1892, 42892), (3784, 21446), (7568, 10723)]