87918668

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{56503}}^1$

素因数の和:56896

約数の個数: 12

約数和(自身を含む): 154255920

約数和(自身を除く): 66337252

約数列:

[1, 2, 4, 389, 778, 1556, 56503, 113006, 226012, 21979667, 43959334, 87918668]

約数ペア:

[(1, 87918668), (2, 43959334), (4, 21979667), (389, 226012), (778, 113006), (1556, 56503)]