129642044

素因数分解:

$2^2\times 7^2\times {\mathrm{661439}}^1$

素因数の和:661457

約数の個数: 18

約数和(自身を含む): 263914560

約数和(自身を除く): 134272516

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 661439, 1322878, 2645756, 4630073, 9260146, 18520292, 32410511, 64821022, 129642044]

約数ペア:

[(1, 129642044), (2, 64821022), (4, 32410511), (7, 18520292), (14, 9260146), (28, 4630073), (49, 2645756), (98, 1322878), (196, 661439)]