216971128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{2473}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 444429360

約数和(自身を除く): 227458232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 997, 1994, 2473, 3988, 4946, 7976, 9892, 10967, 19784, 21934, 27203, 43868, 54406, 87736, 108812, 217624, 2465581, 4931162, 9862324, 19724648, 27121391, 54242782, 108485564, 216971128]

約数ペア:

[(1, 216971128), (2, 108485564), (4, 54242782), (8, 27121391), (11, 19724648), (22, 9862324), (44, 4931162), (88, 2465581), (997, 217624), (1994, 108812), (2473, 87736), (3988, 54406), (4946, 43868), (7976, 27203), (9892, 21934), (10967, 19784)]