81140065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{15649}}^1$

素因数の和:15732

約数の個数: 16

約数和(自身を含む): 104792400

約数和(自身を除く): 23652335

約数列:

[1, 5, 17, 61, 85, 305, 1037, 5185, 15649, 78245, 266033, 954589, 1330165, 4772945, 16228013, 81140065]

約数ペア:

[(1, 81140065), (5, 16228013), (17, 4772945), (61, 1330165), (85, 954589), (305, 266033), (1037, 78245), (5185, 15649)]