201771394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{213289}}^1$

素因数の和:213345

約数の個数: 16

約数和(自身を含む): 337851360

約数和(自身を除く): 136079966

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 213289, 426578, 2346179, 4692358, 9171427, 18342854, 100885697, 201771394]

約数ペア:

[(1, 201771394), (2, 100885697), (11, 18342854), (22, 9171427), (43, 4692358), (86, 2346179), (473, 426578), (946, 213289)]