121720208

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{27073}}^1$

素因数の和:27362

約数の個数: 20

約数和(自身を含む): 236680908

約数和(自身を除く): 114960700

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 27073, 54146, 108292, 216584, 433168, 7607513, 15215026, 30430052, 60860104, 121720208]

約数ペア:

[(1, 121720208), (2, 60860104), (4, 30430052), (8, 15215026), (16, 7607513), (281, 433168), (562, 216584), (1124, 108292), (2248, 54146), (4496, 27073)]