16440688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 35109360

約数和(自身を除く): 18668672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 857, 872, 1199, 1714, 1744, 2398, 3428, 4796, 6856, 9427, 9592, 13712, 18854, 19184, 37708, 75416, 93413, 150832, 186826, 373652, 747304, 1027543, 1494608, 2055086, 4110172, 8220344, 16440688]

約数ペア:

[(1, 16440688), (2, 8220344), (4, 4110172), (8, 2055086), (11, 1494608), (16, 1027543), (22, 747304), (44, 373652), (88, 186826), (109, 150832), (176, 93413), (218, 75416), (436, 37708), (857, 19184), (872, 18854), (1199, 13712), (1714, 9592), (1744, 9427), (2398, 6856), (3428, 4796)]