129178028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{200587}}^1$

素因数の和:200621

約数の個数: 24

約数和(自身を含む): 269590272

約数和(自身を除く): 140412244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 200587, 401174, 802348, 1404109, 2808218, 4613501, 5616436, 9227002, 18454004, 32294507, 64589014, 129178028]

約数ペア:

[(1, 129178028), (2, 64589014), (4, 32294507), (7, 18454004), (14, 9227002), (23, 5616436), (28, 4613501), (46, 2808218), (92, 1404109), (161, 802348), (322, 401174), (644, 200587)]