193404953

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 239984640

約数和(自身を除く): 46579687

約数列:

[1, 7, 23, 47, 61, 161, 329, 419, 427, 1081, 1403, 2867, 2933, 7567, 9637, 9821, 19693, 20069, 25559, 65941, 67459, 137851, 178913, 452939, 461587, 587857, 1201273, 3170573, 4114999, 8408911, 27629279, 193404953]

約数ペア:

[(1, 193404953), (7, 27629279), (23, 8408911), (47, 4114999), (61, 3170573), (161, 1201273), (329, 587857), (419, 461587), (427, 452939), (1081, 178913), (1403, 137851), (2867, 67459), (2933, 65941), (7567, 25559), (9637, 20069), (9821, 19693)]