81492784

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{175631}}^1$

素因数の和:175668

約数の個数: 20

約数和(自身を含む): 163337760

約数和(自身を除く): 81844976

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 175631, 351262, 702524, 1405048, 2810096, 5093299, 10186598, 20373196, 40746392, 81492784]

約数ペア:

[(1, 81492784), (2, 40746392), (4, 20373196), (8, 10186598), (16, 5093299), (29, 2810096), (58, 1405048), (116, 702524), (232, 351262), (464, 175631)]