638761566

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{21937}}^1$

素因数の和:22176

約数の個数: 32

約数和(自身を含む): 1339446528

約数和(自身を除く): 700684962

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 211, 422, 633, 1266, 4853, 9706, 14559, 21937, 29118, 43874, 65811, 131622, 504551, 1009102, 1513653, 3027306, 4628707, 9257414, 13886121, 27772242, 106460261, 212920522, 319380783, 638761566]

約数ペア:

[(1, 638761566), (2, 319380783), (3, 212920522), (6, 106460261), (23, 27772242), (46, 13886121), (69, 9257414), (138, 4628707), (211, 3027306), (422, 1513653), (633, 1009102), (1266, 504551), (4853, 131622), (9706, 65811), (14559, 43874), (21937, 29118)]