665067986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{10957}}^1$

素因数の和:11090

約数の個数: 32

約数和(自身を含む): 1136125440

約数和(自身を除く): 471057454

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 341, 682, 979, 1958, 2759, 5518, 10957, 21914, 30349, 60698, 120527, 241054, 339667, 679334, 975173, 1950346, 3736337, 7472674, 10726903, 21453806, 30230363, 60460726, 332533993, 665067986]

約数ペア:

[(1, 665067986), (2, 332533993), (11, 60460726), (22, 30230363), (31, 21453806), (62, 10726903), (89, 7472674), (178, 3736337), (341, 1950346), (682, 975173), (979, 679334), (1958, 339667), (2759, 241054), (5518, 120527), (10957, 60698), (21914, 30349)]