40128319

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 52001280

約数和(自身を除く): 11872961

約数列:

[1, 7, 11, 59, 73, 77, 121, 413, 511, 649, 803, 847, 1331, 4307, 4543, 5621, 7139, 8833, 9317, 30149, 47377, 49973, 61831, 78529, 97163, 331639, 521147, 549703, 680141, 3648029, 5732617, 40128319]

約数ペア:

[(1, 40128319), (7, 5732617), (11, 3648029), (59, 680141), (73, 549703), (77, 521147), (121, 331639), (413, 97163), (511, 78529), (649, 61831), (803, 49973), (847, 47377), (1331, 30149), (4307, 9317), (4543, 8833), (5621, 7139)]