7920997

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 10058904

約数和(自身を除く): 2137907

約数列:

[1, 7, 17, 37, 49, 119, 257, 259, 629, 833, 1799, 1813, 4369, 4403, 9509, 12593, 30583, 30821, 66563, 161653, 214081, 465941, 1131571, 7920997]

約数ペア:

[(1, 7920997), (7, 1131571), (17, 465941), (37, 214081), (49, 161653), (119, 66563), (257, 30821), (259, 30583), (629, 12593), (833, 9509), (1799, 4403), (1813, 4369)]