40180931

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 49395744

約数和(自身を除く): 9214813

約数列:

[1, 7, 23, 49, 101, 161, 353, 707, 1127, 2323, 2471, 4949, 8119, 16261, 17297, 35653, 56833, 113827, 249571, 397831, 820019, 1746997, 5740133, 40180931]

約数ペア:

[(1, 40180931), (7, 5740133), (23, 1746997), (49, 820019), (101, 397831), (161, 249571), (353, 113827), (707, 56833), (1127, 35653), (2323, 17297), (2471, 16261), (4949, 8119)]