889291228

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1380887}}^1$

素因数の和:1380921

約数の個数: 24

約数和(自身を含む): 1855913472

約数和(自身を除く): 966622244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1380887, 2761774, 5523548, 9666209, 19332418, 31760401, 38664836, 63520802, 127041604, 222322807, 444645614, 889291228]

約数ペア:

[(1, 889291228), (2, 444645614), (4, 222322807), (7, 127041604), (14, 63520802), (23, 38664836), (28, 31760401), (46, 19332418), (92, 9666209), (161, 5523548), (322, 2761774), (644, 1380887)]