129211516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{200639}}^1$

素因数の和:200673

約数の個数: 24

約数和(自身を含む): 269660160

約数和(自身を除く): 140448644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 200639, 401278, 802556, 1404473, 2808946, 4614697, 5617892, 9229394, 18458788, 32302879, 64605758, 129211516]

約数ペア:

[(1, 129211516), (2, 64605758), (4, 32302879), (7, 18458788), (14, 9229394), (23, 5617892), (28, 4614697), (46, 2808946), (92, 1404473), (161, 802556), (322, 401278), (644, 200639)]