209701808

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{20071}}^1$

素因数の和:20732

約数の個数: 20

約数和(自身を含む): 406939728

約数和(自身を除く): 197237920

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 20071, 40142, 80284, 160568, 321136, 13106363, 26212726, 52425452, 104850904, 209701808]

約数ペア:

[(1, 209701808), (2, 104850904), (4, 52425452), (8, 26212726), (16, 13106363), (653, 321136), (1306, 160568), (2612, 80284), (5224, 40142), (10448, 20071)]