12745243

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 15890688

約数和(自身を除く): 3145445

約数列:

[1, 7, 23, 43, 49, 161, 263, 301, 989, 1127, 1841, 2107, 6049, 6923, 11309, 12887, 42343, 48461, 79163, 260107, 296401, 554141, 1820749, 12745243]

約数ペア:

[(1, 12745243), (7, 1820749), (23, 554141), (43, 296401), (49, 260107), (161, 79163), (263, 48461), (301, 42343), (989, 12887), (1127, 11309), (1841, 6923), (2107, 6049)]