287401072

素因数分解:

$2^4\times 7^3\times {\mathrm{52369}}^1$

素因数の和:52398

約数の個数: 40

約数和(自身を含む): 649388000

約数和(自身を除く): 361986928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 52369, 104738, 209476, 366583, 418952, 733166, 837904, 1466332, 2566081, 2932664, 5132162, 5865328, 10264324, 17962567, 20528648, 35925134, 41057296, 71850268, 143700536, 287401072]

約数ペア:

[(1, 287401072), (2, 143700536), (4, 71850268), (7, 41057296), (8, 35925134), (14, 20528648), (16, 17962567), (28, 10264324), (49, 5865328), (56, 5132162), (98, 2932664), (112, 2566081), (196, 1466332), (343, 837904), (392, 733166), (686, 418952), (784, 366583), (1372, 209476), (2744, 104738), (5488, 52369)]