85178235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 148711680

約数和(自身を除く): 63533445

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 311, 465, 589, 933, 961, 1555, 1767, 2883, 2945, 4665, 4805, 5909, 8835, 9641, 14415, 17727, 18259, 28923, 29545, 48205, 54777, 88635, 91295, 144615, 183179, 273885, 298871, 549537, 896613, 915895, 1494355, 2747685, 4483065, 5678549, 17035647, 28392745, 85178235]

約数ペア:

[(1, 85178235), (3, 28392745), (5, 17035647), (15, 5678549), (19, 4483065), (31, 2747685), (57, 1494355), (93, 915895), (95, 896613), (155, 549537), (285, 298871), (311, 273885), (465, 183179), (589, 144615), (933, 91295), (961, 88635), (1555, 54777), (1767, 48205), (2883, 29545), (2945, 28923), (4665, 18259), (4805, 17727), (5909, 14415), (8835, 9641)]