71387239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 93809664

約数和(自身を除く): 22422425

約数列:

[1, 7, 11, 23, 77, 161, 173, 233, 253, 1211, 1631, 1771, 1903, 2563, 3979, 5359, 13321, 17941, 27853, 37513, 40309, 43769, 58949, 282163, 306383, 412643, 443399, 927107, 3103793, 6489749, 10198177, 71387239]

約数ペア:

[(1, 71387239), (7, 10198177), (11, 6489749), (23, 3103793), (77, 927107), (161, 443399), (173, 412643), (233, 306383), (253, 282163), (1211, 58949), (1631, 43769), (1771, 40309), (1903, 37513), (2563, 27853), (3979, 17941), (5359, 13321)]