65978003

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42649}}^1$

素因数の和:42686

約数の個数: 16

約数和(自身を含む): 85982400

約数和(自身を除く): 20004397

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 42649, 298543, 554437, 725033, 3881059, 5075231, 9425429, 65978003]

約数ペア:

[(1, 65978003), (7, 9425429), (13, 5075231), (17, 3881059), (91, 725033), (119, 554437), (221, 298543), (1547, 42649)]