81977192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{1087}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 168030720

約数和(自身を除く): 86053528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 857, 1087, 1714, 2174, 3428, 4348, 6856, 8696, 9427, 11957, 18854, 23914, 37708, 47828, 75416, 95656, 931559, 1863118, 3726236, 7452472, 10247149, 20494298, 40988596, 81977192]

約数ペア:

[(1, 81977192), (2, 40988596), (4, 20494298), (8, 10247149), (11, 7452472), (22, 3726236), (44, 1863118), (88, 931559), (857, 95656), (1087, 75416), (1714, 47828), (2174, 37708), (3428, 23914), (4348, 18854), (6856, 11957), (8696, 9427)]