28120414

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{16879}}^1$

素因数の和:16912

約数の個数: 24

約数和(自身を含む): 51956640

約数和(自身を除く): 23836226

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 16879, 33758, 118153, 236306, 286943, 573886, 827071, 1654142, 2008601, 4017202, 14060207, 28120414]

約数ペア:

[(1, 28120414), (2, 14060207), (7, 4017202), (14, 2008601), (17, 1654142), (34, 827071), (49, 573886), (98, 286943), (119, 236306), (238, 118153), (833, 33758), (1666, 16879)]