12779921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{617}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 16018560

約数和(自身を除く): 3238639

約数列:

[1, 7, 11, 77, 269, 617, 1883, 2959, 4319, 6787, 20713, 47509, 165973, 1161811, 1825703, 12779921]

約数ペア:

[(1, 12779921), (7, 1825703), (11, 1161811), (77, 165973), (269, 47509), (617, 20713), (1883, 6787), (2959, 4319)]