279718874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{52957}}^1$

素因数の和:53117

約数の個数: 16

約数和(自身を含む): 444847200

約数和(自身を除く): 165128326

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 52957, 105914, 1006183, 2012366, 7361023, 14722046, 139859437, 279718874]

約数ペア:

[(1, 279718874), (2, 139859437), (19, 14722046), (38, 7361023), (139, 2012366), (278, 1006183), (2641, 105914), (5282, 52957)]