990451

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 1301760

約数和(自身を除く): 311309

約数列:

[1, 7, 11, 19, 77, 133, 209, 677, 1463, 4739, 7447, 12863, 52129, 90041, 141493, 990451]

約数ペア:

[(1, 990451), (7, 141493), (11, 90041), (19, 52129), (77, 12863), (133, 7447), (209, 4739), (677, 1463)]