27687778

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1787}}^1$

素因数の和:1977

約数の個数: 16

約数和(自身を含む): 42568704

約数和(自身を除く): 14880926

約数列:

[1, 2, 61, 122, 127, 254, 1787, 3574, 7747, 15494, 109007, 218014, 226949, 453898, 13843889, 27687778]

約数ペア:

[(1, 27687778), (2, 13843889), (61, 453898), (122, 226949), (127, 218014), (254, 109007), (1787, 15494), (3574, 7747)]