199985848

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{280879}}^1$

素因数の和:280974

約数の個数: 16

約数和(自身を含む): 379188000

約数和(自身を除く): 179202152

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 280879, 561758, 1123516, 2247032, 24998231, 49996462, 99992924, 199985848]

約数ペア:

[(1, 199985848), (2, 99992924), (4, 49996462), (8, 24998231), (89, 2247032), (178, 1123516), (356, 561758), (712, 280879)]