639156694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{52727}}^1$

素因数の和:52788

約数の個数: 32

約数和(自身を含む): 1138924800

約数和(自身を除く): 499768106

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 209, 319, 418, 551, 638, 1102, 6061, 12122, 52727, 105454, 579997, 1001813, 1159994, 1529083, 2003626, 3058166, 11019943, 16819913, 22039886, 29052577, 33639826, 58105154, 319578347, 639156694]

約数ペア:

[(1, 639156694), (2, 319578347), (11, 58105154), (19, 33639826), (22, 29052577), (29, 22039886), (38, 16819913), (58, 11019943), (209, 3058166), (319, 2003626), (418, 1529083), (551, 1159994), (638, 1001813), (1102, 579997), (6061, 105454), (12122, 52727)]