82877975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{11471}}^1$

素因数の和:11515

約数の個数: 18

約数和(自身を含む): 109179024

約数和(自身を除く): 26301049

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 11471, 57355, 195007, 286775, 975035, 3315119, 4875175, 16575595, 82877975]

約数ペア:

[(1, 82877975), (5, 16575595), (17, 4875175), (25, 3315119), (85, 975035), (289, 286775), (425, 195007), (1445, 57355), (7225, 11471)]