72894925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 98220276

約数和(自身を除く): 25325351

約数列:

[1, 5, 19, 25, 41, 95, 197, 205, 361, 475, 779, 985, 1025, 1805, 3743, 3895, 4925, 8077, 9025, 14801, 18715, 19475, 40385, 71117, 74005, 93575, 153463, 201925, 355585, 370025, 767315, 1777925, 2915797, 3836575, 14578985, 72894925]

約数ペア:

[(1, 72894925), (5, 14578985), (19, 3836575), (25, 2915797), (41, 1777925), (95, 767315), (197, 370025), (205, 355585), (361, 201925), (475, 153463), (779, 93575), (985, 74005), (1025, 71117), (1805, 40385), (3743, 19475), (3895, 18715), (4925, 14801), (8077, 9025)]