7897895978

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18197917}}^1$

素因数の和:18197957

約数の個数: 16

約数和(自身を含む): 13976001024

約数和(自身を除く): 6078105046

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 18197917, 36395834, 127385419, 254770838, 564135427, 1128270854, 3948947989, 7897895978]

約数ペア:

[(1, 7897895978), (2, 3948947989), (7, 1128270854), (14, 564135427), (31, 254770838), (62, 127385419), (217, 36395834), (434, 18197917)]