71687798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20772

約数の個数: 32

約数和(自身を含む): 139319040

約数和(自身を除く): 67631242

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 20731, 41462, 145117, 269503, 290234, 393889, 539006, 787778, 1886521, 2757223, 3773042, 5120557, 5514446, 10241114, 35843899, 71687798]

約数ペア:

[(1, 71687798), (2, 35843899), (7, 10241114), (13, 5514446), (14, 5120557), (19, 3773042), (26, 2757223), (38, 1886521), (91, 787778), (133, 539006), (182, 393889), (247, 290234), (266, 269503), (494, 145117), (1729, 41462), (3458, 20731)]