90439657

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 118702080

約数和(自身を除く): 28262423

約数列:

[1, 7, 11, 23, 77, 161, 223, 229, 253, 1561, 1603, 1771, 2453, 2519, 5129, 5267, 17171, 17633, 35903, 36869, 51067, 56419, 57937, 357469, 394933, 405559, 561737, 1174541, 3932159, 8221787, 12919951, 90439657]

約数ペア:

[(1, 90439657), (7, 12919951), (11, 8221787), (23, 3932159), (77, 1174541), (161, 561737), (223, 405559), (229, 394933), (253, 357469), (1561, 57937), (1603, 56419), (1771, 51067), (2453, 36869), (2519, 35903), (5129, 17633), (5267, 17171)]