123496513

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 148145280

約数和(自身を除く): 24648767

約数列:

[1, 7, 49, 61, 79, 427, 523, 553, 2989, 3661, 3871, 4819, 25627, 31903, 33733, 41317, 223321, 236131, 289219, 1563247, 2024533, 2520337, 17642359, 123496513]

約数ペア:

[(1, 123496513), (7, 17642359), (49, 2520337), (61, 2024533), (79, 1563247), (427, 289219), (523, 236131), (553, 223321), (2989, 41317), (3661, 33733), (3871, 31903), (4819, 25627)]