55239821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 73328640

約数和(自身を除く): 18088819

約数列:

[1, 7, 13, 19, 43, 91, 133, 247, 301, 559, 743, 817, 1729, 3913, 5201, 5719, 9659, 10621, 14117, 31949, 67613, 74347, 98819, 183521, 223643, 415337, 607031, 1284647, 2907359, 4249217, 7891403, 55239821]

約数ペア:

[(1, 55239821), (7, 7891403), (13, 4249217), (19, 2907359), (43, 1284647), (91, 607031), (133, 415337), (247, 223643), (301, 183521), (559, 98819), (743, 74347), (817, 67613), (1729, 31949), (3913, 14117), (5201, 10621), (5719, 9659)]