259997387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{6971}}^1$

素因数の和:7154

約数の個数: 16

約数和(自身を含む): 296728320

約数和(自身を除く): 36730933

約数列:

[1, 13, 19, 151, 247, 1963, 2869, 6971, 37297, 90623, 132449, 1052621, 1721837, 13684073, 19999799, 259997387]

約数ペア:

[(1, 259997387), (13, 19999799), (19, 13684073), (151, 1721837), (247, 1052621), (1963, 132449), (2869, 90623), (6971, 37297)]