217499216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1235791}}^1$

素因数の和:1235810

約数の個数: 20

約数和(自身を含む): 459714624

約数和(自身を除く): 242215408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1235791, 2471582, 4943164, 9886328, 13593701, 19772656, 27187402, 54374804, 108749608, 217499216]

約数ペア:

[(1, 217499216), (2, 108749608), (4, 54374804), (8, 27187402), (11, 19772656), (16, 13593701), (22, 9886328), (44, 4943164), (88, 2471582), (176, 1235791)]