1921330369

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20261}}^1$

素因数の和:20341

約数の個数: 32

約数和(自身を含む): 2489794560

約数和(自身を除く): 568464191

約数列:

[1, 7, 19, 23, 31, 133, 161, 217, 437, 589, 713, 3059, 4123, 4991, 13547, 20261, 94829, 141827, 384959, 466003, 628091, 2694713, 3262021, 4396637, 8854057, 11933729, 14446093, 61978399, 83536103, 101122651, 274475767, 1921330369]

約数ペア:

[(1, 1921330369), (7, 274475767), (19, 101122651), (23, 83536103), (31, 61978399), (133, 14446093), (161, 11933729), (217, 8854057), (437, 4396637), (589, 3262021), (713, 2694713), (3059, 628091), (4123, 466003), (4991, 384959), (13547, 141827), (20261, 94829)]