1981232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{11257}}^1$

素因数の和:11276

約数の個数: 20

約数和(自身を含む): 4187976

約数和(自身を除く): 2206744

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 11257, 22514, 45028, 90056, 123827, 180112, 247654, 495308, 990616, 1981232]

約数ペア:

[(1, 1981232), (2, 990616), (4, 495308), (8, 247654), (11, 180112), (16, 123827), (22, 90056), (44, 45028), (88, 22514), (176, 11257)]