27980912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{102871}}^1$

素因数の和:102896

約数の個数: 20

約数和(自身を含む): 57402576

約数和(自身を除く): 29421664

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 102871, 205742, 411484, 822968, 1645936, 1748807, 3497614, 6995228, 13990456, 27980912]

約数ペア:

[(1, 27980912), (2, 13990456), (4, 6995228), (8, 3497614), (16, 1748807), (17, 1645936), (34, 822968), (68, 411484), (136, 205742), (272, 102871)]