27986948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17191}}^1$

素因数の和:17243

約数の個数: 24

約数和(自身を含む): 54876864

約数和(自身を除く): 26889916

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 17191, 34382, 68764, 189101, 378202, 636067, 756404, 1272134, 2544268, 6996737, 13993474, 27986948]

約数ペア:

[(1, 27986948), (2, 13993474), (4, 6996737), (11, 2544268), (22, 1272134), (37, 756404), (44, 636067), (74, 378202), (148, 189101), (407, 68764), (814, 34382), (1628, 17191)]