123988879

素因数分解:

$7^1\times {\mathrm{41}}^3\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 16

約数和(自身を含む): 145809216

約数和(自身を除く): 21820337

約数列:

[1, 7, 41, 257, 287, 1681, 1799, 10537, 11767, 68921, 73759, 432017, 482447, 3024119, 17712697, 123988879]

約数ペア:

[(1, 123988879), (7, 17712697), (41, 3024119), (257, 482447), (287, 432017), (1681, 73759), (1799, 68921), (10537, 11767)]