87419969

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 119508480

約数和(自身を除く): 32088511

約数列:

[1, 7, 13, 19, 31, 49, 91, 133, 217, 233, 247, 403, 589, 637, 931, 1519, 1631, 1729, 2821, 3029, 4123, 4427, 7223, 7657, 11417, 12103, 19747, 21203, 28861, 30989, 50561, 53599, 57551, 93899, 137237, 148421, 216923, 353927, 375193, 402857, 657293, 960659, 1784081, 2819999, 4601051, 6724613, 12488567, 87419969]

約数ペア:

[(1, 87419969), (7, 12488567), (13, 6724613), (19, 4601051), (31, 2819999), (49, 1784081), (91, 960659), (133, 657293), (217, 402857), (233, 375193), (247, 353927), (403, 216923), (589, 148421), (637, 137237), (931, 93899), (1519, 57551), (1631, 53599), (1729, 50561), (2821, 30989), (3029, 28861), (4123, 21203), (4427, 19747), (7223, 12103), (7657, 11417)]