28991298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{690269}}^1$

素因数の和:690281

約数の個数: 16

約数和(自身を含む): 66265920

約数和(自身を除く): 37274622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 690269, 1380538, 2070807, 4141614, 4831883, 9663766, 14495649, 28991298]

約数ペア:

[(1, 28991298), (2, 14495649), (3, 9663766), (6, 4831883), (7, 4141614), (14, 2070807), (21, 1380538), (42, 690269)]