1997788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 3811808

約数和(自身を除く): 1814020

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 373, 412, 746, 1339, 1492, 2678, 4849, 5356, 9698, 19396, 38419, 76838, 153676, 499447, 998894, 1997788]

約数ペア:

[(1, 1997788), (2, 998894), (4, 499447), (13, 153676), (26, 76838), (52, 38419), (103, 19396), (206, 9698), (373, 5356), (412, 4849), (746, 2678), (1339, 1492)]