247621813

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 279559512

約数和(自身を除く): 31937699

約数列:

[1, 17, 19, 157, 257, 323, 361, 2669, 2983, 4369, 4883, 6137, 40349, 50711, 56677, 83011, 92777, 685933, 766631, 963509, 1577209, 13032727, 14565989, 247621813]

約数ペア:

[(1, 247621813), (17, 14565989), (19, 13032727), (157, 1577209), (257, 963509), (323, 766631), (361, 685933), (2669, 92777), (2983, 83011), (4369, 56677), (4883, 50711), (6137, 40349)]