140149513

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 176774400

約数和(自身を除く): 36624887

約数列:

[1, 7, 17, 43, 61, 119, 301, 427, 449, 731, 1037, 2623, 3143, 5117, 7259, 7633, 18361, 19307, 27389, 44591, 53431, 135149, 191723, 312137, 328219, 465613, 1177727, 2297533, 3259291, 8244089, 20021359, 140149513]

約数ペア:

[(1, 140149513), (7, 20021359), (17, 8244089), (43, 3259291), (61, 2297533), (119, 1177727), (301, 465613), (427, 328219), (449, 312137), (731, 191723), (1037, 135149), (2623, 53431), (3143, 44591), (5117, 27389), (7259, 19307), (7633, 18361)]