25718685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 20729955

約数列:

[1, 3, 5, 15, 19, 31, 41, 57, 71, 93, 95, 123, 155, 205, 213, 285, 355, 465, 589, 615, 779, 1065, 1271, 1349, 1767, 2201, 2337, 2911, 2945, 3813, 3895, 4047, 6355, 6603, 6745, 8733, 8835, 11005, 11685, 14555, 19065, 20235, 24149, 33015, 41819, 43665, 55309, 72447, 90241, 120745, 125457, 165927, 209095, 270723, 276545, 362235, 451205, 627285, 829635, 1353615, 1714579, 5143737, 8572895, 25718685]

約数ペア:

[(1, 25718685), (3, 8572895), (5, 5143737), (15, 1714579), (19, 1353615), (31, 829635), (41, 627285), (57, 451205), (71, 362235), (93, 276545), (95, 270723), (123, 209095), (155, 165927), (205, 125457), (213, 120745), (285, 90241), (355, 72447), (465, 55309), (589, 43665), (615, 41819), (779, 33015), (1065, 24149), (1271, 20235), (1349, 19065), (1767, 14555), (2201, 11685), (2337, 11005), (2911, 8835), (2945, 8733), (3813, 6745), (3895, 6603), (4047, 6355)]