78320644

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 140107968

約数和(自身を除く): 61787324

約数列:

[1, 2, 4, 53, 106, 212, 571, 647, 1142, 1294, 2284, 2588, 30263, 34291, 60526, 68582, 121052, 137164, 369437, 738874, 1477748, 19580161, 39160322, 78320644]

約数ペア:

[(1, 78320644), (2, 39160322), (4, 19580161), (53, 1477748), (106, 738874), (212, 369437), (571, 137164), (647, 121052), (1142, 68582), (1294, 60526), (2284, 34291), (2588, 30263)]