28117207

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1206

約数の個数: 12

約数和(自身を含む): 30120336

約数和(自身を除く): 2003129

約数列:

[1, 19, 71, 361, 1097, 1349, 20843, 25631, 77887, 396017, 1479853, 28117207]

約数ペア:

[(1, 28117207), (19, 1479853), (71, 396017), (361, 77887), (1097, 25631), (1349, 20843)]