128111390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{31477}}^1$

素因数の和:31532

約数の個数: 32

約数和(自身を含む): 258371424

約数和(自身を除く): 130260034

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 31477, 62954, 157385, 314770, 346247, 692494, 1164649, 1731235, 2329298, 3462470, 5823245, 11646490, 12811139, 25622278, 64055695, 128111390]

約数ペア:

[(1, 128111390), (2, 64055695), (5, 25622278), (10, 12811139), (11, 11646490), (22, 5823245), (37, 3462470), (55, 2329298), (74, 1731235), (110, 1164649), (185, 692494), (370, 346247), (407, 314770), (814, 157385), (2035, 62954), (4070, 31477)]