81199274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{164371}}^1$

素因数の和:164405

約数の個数: 16

約数和(自身を含む): 138072480

約数和(自身を除く): 56873206

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 164371, 328742, 2136823, 3123049, 4273646, 6246098, 40599637, 81199274]

約数ペア:

[(1, 81199274), (2, 40599637), (13, 6246098), (19, 4273646), (26, 3123049), (38, 2136823), (247, 328742), (494, 164371)]