647024

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 1473120

約数和(自身を除く): 826096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 109, 112, 212, 218, 371, 424, 436, 742, 763, 848, 872, 1484, 1526, 1744, 2968, 3052, 5777, 5936, 6104, 11554, 12208, 23108, 40439, 46216, 80878, 92432, 161756, 323512, 647024]

約数ペア:

[(1, 647024), (2, 323512), (4, 161756), (7, 92432), (8, 80878), (14, 46216), (16, 40439), (28, 23108), (53, 12208), (56, 11554), (106, 6104), (109, 5936), (112, 5777), (212, 3052), (218, 2968), (371, 1744), (424, 1526), (436, 1484), (742, 872), (763, 848)]