189938308

素因数分解:

$2^2\times 7^4\times {\mathrm{19777}}^1$

素因数の和:19809

約数の個数: 30

約数和(自身を含む): 387787246

約数和(自身を除く): 197848938

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 19777, 39554, 79108, 138439, 276878, 553756, 969073, 1938146, 3876292, 6783511, 13567022, 27134044, 47484577, 94969154, 189938308]

約数ペア:

[(1, 189938308), (2, 94969154), (4, 47484577), (7, 27134044), (14, 13567022), (28, 6783511), (49, 3876292), (98, 1938146), (196, 969073), (343, 553756), (686, 276878), (1372, 138439), (2401, 79108), (4802, 39554), (9604, 19777)]