219326401

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{937}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 271393416

約数和(自身を除く): 52067015

約数列:

[1, 7, 17, 49, 119, 281, 833, 937, 1967, 4777, 6559, 13769, 15929, 33439, 45913, 111503, 234073, 263297, 780521, 1843079, 4476049, 12901553, 31332343, 219326401]

約数ペア:

[(1, 219326401), (7, 31332343), (17, 12901553), (49, 4476049), (119, 1843079), (281, 780521), (833, 263297), (937, 234073), (1967, 111503), (4777, 45913), (6559, 33439), (13769, 15929)]