217640568

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{84751}}^1$

素因数の和:84867

約数の個数: 32

約数和(自身を含む): 549192960

約数和(自身を除く): 331552392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 84751, 169502, 254253, 339004, 508506, 678008, 1017012, 2034024, 9068357, 18136714, 27205071, 36273428, 54410142, 72546856, 108820284, 217640568]

約数ペア:

[(1, 217640568), (2, 108820284), (3, 72546856), (4, 54410142), (6, 36273428), (8, 27205071), (12, 18136714), (24, 9068357), (107, 2034024), (214, 1017012), (321, 678008), (428, 508506), (642, 339004), (856, 254253), (1284, 169502), (2568, 84751)]