68780908

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{8161}}^1$

素因数の和:8222

約数の個数: 36

約数和(自身を含む): 143292072

約数和(自身を除く): 74511164

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8161, 8428, 16322, 32644, 57127, 114254, 228508, 350923, 399889, 701846, 799778, 1403692, 1599556, 2456461, 4912922, 9825844, 17195227, 34390454, 68780908]

約数ペア:

[(1, 68780908), (2, 34390454), (4, 17195227), (7, 9825844), (14, 4912922), (28, 2456461), (43, 1599556), (49, 1403692), (86, 799778), (98, 701846), (172, 399889), (196, 350923), (301, 228508), (602, 114254), (1204, 57127), (2107, 32644), (4214, 16322), (8161, 8428)]