81625387

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 89420800

約数和(自身を除く): 7795413

約数列:

[1, 19, 31, 139, 589, 997, 2641, 4309, 18943, 30907, 81871, 138583, 587233, 2633077, 4296073, 81625387]

約数ペア:

[(1, 81625387), (19, 4296073), (31, 2633077), (139, 587233), (589, 138583), (997, 81871), (2641, 30907), (4309, 18943)]