260840867

素因数分解:

$7^3\times {\mathrm{139}}^1\times {\mathrm{5471}}^1$

素因数の和:5631

約数の個数: 16

約数和(自身を含む): 306432000

約数和(自身を除く): 45591133

約数列:

[1, 7, 49, 139, 343, 973, 5471, 6811, 38297, 47677, 268079, 760469, 1876553, 5323283, 37262981, 260840867]

約数ペア:

[(1, 260840867), (7, 37262981), (49, 5323283), (139, 1876553), (343, 760469), (973, 268079), (5471, 47677), (6811, 38297)]