389968312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 807955200

約数和(自身を除く): 417986888

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 331, 337, 437, 662, 674, 874, 1324, 1348, 1748, 2648, 2696, 3496, 6289, 6403, 7613, 7751, 12578, 12806, 15226, 15502, 25156, 25612, 30452, 31004, 50312, 51224, 60904, 62008, 111547, 144647, 147269, 223094, 289294, 294538, 446188, 578588, 589076, 892376, 1157176, 1178152, 2119393, 2565581, 4238786, 5131162, 8477572, 10262324, 16955144, 20524648, 48746039, 97492078, 194984156, 389968312]

約数ペア:

[(1, 389968312), (2, 194984156), (4, 97492078), (8, 48746039), (19, 20524648), (23, 16955144), (38, 10262324), (46, 8477572), (76, 5131162), (92, 4238786), (152, 2565581), (184, 2119393), (331, 1178152), (337, 1157176), (437, 892376), (662, 589076), (674, 578588), (874, 446188), (1324, 294538), (1348, 289294), (1748, 223094), (2648, 147269), (2696, 144647), (3496, 111547), (6289, 62008), (6403, 60904), (7613, 51224), (7751, 50312), (12578, 31004), (12806, 30452), (15226, 25612), (15502, 25156)]