211639204

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{43691}}^1$

素因数の和:43875

約数の個数: 24

約数和(自身を含む): 425734848

約数和(自身を除く): 214095644

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 43691, 87382, 174764, 305837, 611674, 1223348, 7558543, 15117086, 30234172, 52909801, 105819602, 211639204]

約数ペア:

[(1, 211639204), (2, 105819602), (4, 52909801), (7, 30234172), (14, 15117086), (28, 7558543), (173, 1223348), (346, 611674), (692, 305837), (1211, 174764), (2422, 87382), (4844, 43691)]