127977008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{420977}}^1$

素因数の和:421004

約数の個数: 20

約数和(自身を含む): 261006360

約数和(自身を除く): 133029352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 420977, 841954, 1683908, 3367816, 6735632, 7998563, 15997126, 31994252, 63988504, 127977008]

約数ペア:

[(1, 127977008), (2, 63988504), (4, 31994252), (8, 15997126), (16, 7998563), (19, 6735632), (38, 3367816), (76, 1683908), (152, 841954), (304, 420977)]