12209813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 15306624

約数和(自身を除く): 3096811

約数列:

[1, 7, 11, 77, 257, 617, 1799, 2827, 4319, 6787, 19789, 47509, 158569, 1109983, 1744259, 12209813]

約数ペア:

[(1, 12209813), (7, 1744259), (11, 1109983), (77, 158569), (257, 47509), (617, 19789), (1799, 6787), (2827, 4319)]