2005196809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 2539342080

約数和(自身を除く): 534145271

約数列:

[1, 7, 11, 77, 109, 173, 763, 1199, 1211, 1381, 1903, 8393, 9667, 13321, 15191, 18857, 106337, 131999, 150529, 207427, 238913, 1053703, 1451989, 1655819, 1672391, 2628043, 11590733, 18396301, 26041517, 182290619, 286456687, 2005196809]

約数ペア:

[(1, 2005196809), (7, 286456687), (11, 182290619), (77, 26041517), (109, 18396301), (173, 11590733), (763, 2628043), (1199, 1672391), (1211, 1655819), (1381, 1451989), (1903, 1053703), (8393, 238913), (9667, 207427), (13321, 150529), (15191, 131999), (18857, 106337)]