1990996

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 4012736

約数和(自身を除く): 2021740

約数列:

[1, 2, 4, 7, 14, 28, 211, 337, 422, 674, 844, 1348, 1477, 2359, 2954, 4718, 5908, 9436, 71107, 142214, 284428, 497749, 995498, 1990996]

約数ペア:

[(1, 1990996), (2, 995498), (4, 497749), (7, 284428), (14, 142214), (28, 71107), (211, 9436), (337, 5908), (422, 4718), (674, 2954), (844, 2359), (1348, 1477)]