8447864

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 16329600

約数和(自身を除く): 7881736

約数列:

[1, 2, 4, 8, 71, 107, 139, 142, 214, 278, 284, 428, 556, 568, 856, 1112, 7597, 9869, 14873, 15194, 19738, 29746, 30388, 39476, 59492, 60776, 78952, 118984, 1055983, 2111966, 4223932, 8447864]

約数ペア:

[(1, 8447864), (2, 4223932), (4, 2111966), (8, 1055983), (71, 118984), (107, 78952), (139, 60776), (142, 59492), (214, 39476), (278, 30388), (284, 29746), (428, 19738), (556, 15194), (568, 14873), (856, 9869), (1112, 7597)]