399702914

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{503}}^1\times {\mathrm{2351}}^1$

素因数の和:2882

約数の個数: 24

約数和(自身を含む): 650788992

約数和(自身を除く): 251086078

約数列:

[1, 2, 13, 26, 169, 338, 503, 1006, 2351, 4702, 6539, 13078, 30563, 61126, 85007, 170014, 397319, 794638, 1182553, 2365106, 15373189, 30746378, 199851457, 399702914]

約数ペア:

[(1, 399702914), (2, 199851457), (13, 30746378), (26, 15373189), (169, 2365106), (338, 1182553), (503, 794638), (1006, 397319), (2351, 170014), (4702, 85007), (6539, 61126), (13078, 30563)]