1978718

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 3519864

約数和(自身を除く): 1541146

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 331, 427, 662, 854, 2317, 2989, 4634, 5978, 16219, 20191, 32438, 40382, 141337, 282674, 989359, 1978718]

約数ペア:

[(1, 1978718), (2, 989359), (7, 282674), (14, 141337), (49, 40382), (61, 32438), (98, 20191), (122, 16219), (331, 5978), (427, 4634), (662, 2989), (854, 2317)]