640496137

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{19121}}^1$

素因数の和:19224

約数の個数: 16

約数和(自身を含む): 706749120

約数和(自身を除く): 66252983

約数列:

[1, 19, 41, 43, 779, 817, 1763, 19121, 33497, 363299, 783961, 822203, 14895259, 15621857, 33710323, 640496137]

約数ペア:

[(1, 640496137), (19, 33710323), (41, 15621857), (43, 14895259), (779, 822203), (817, 783961), (1763, 363299), (19121, 33497)]