28939547

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 36599472

約数和(自身を除く): 7659925

約数列:

[1, 7, 13, 49, 91, 181, 251, 637, 1267, 1757, 2353, 3263, 8869, 12299, 16471, 22841, 45431, 115297, 159887, 318017, 590603, 2226119, 4134221, 28939547]

約数ペア:

[(1, 28939547), (7, 4134221), (13, 2226119), (49, 590603), (91, 318017), (181, 159887), (251, 115297), (637, 45431), (1267, 22841), (1757, 16471), (2353, 12299), (3263, 8869)]