78121085

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 33853315

約数列:

[1, 5, 7, 31, 35, 89, 155, 217, 445, 623, 809, 1085, 2759, 3115, 4045, 5663, 13795, 19313, 25079, 28315, 72001, 96565, 125395, 175553, 360005, 504007, 877765, 2232031, 2520035, 11160155, 15624217, 78121085]

約数ペア:

[(1, 78121085), (5, 15624217), (7, 11160155), (31, 2520035), (35, 2232031), (89, 877765), (155, 504007), (217, 360005), (445, 175553), (623, 125395), (809, 96565), (1085, 72001), (2759, 28315), (3115, 25079), (4045, 19313), (5663, 13795)]