644134678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{3919}}^1$

素因数の和:4204

約数の個数: 32

約数和(自身を含む): 1092833280

約数和(自身を除く): 448698602

約数列:

[1, 2, 11, 22, 31, 62, 241, 341, 482, 682, 2651, 3919, 5302, 7471, 7838, 14942, 43109, 82181, 86218, 121489, 164362, 242978, 944479, 1336379, 1888958, 2672758, 10389269, 20778538, 29278849, 58557698, 322067339, 644134678]

約数ペア:

[(1, 644134678), (2, 322067339), (11, 58557698), (22, 29278849), (31, 20778538), (62, 10389269), (241, 2672758), (341, 1888958), (482, 1336379), (682, 944479), (2651, 242978), (3919, 164362), (5302, 121489), (7471, 86218), (7838, 82181), (14942, 43109)]