81805794

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{4153}}^1$

素因数の和:4239

約数の個数: 48

約数和(自身を含む): 193210848

約数和(自身を除く): 111405054

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 201, 294, 402, 469, 938, 1407, 2814, 3283, 4153, 6566, 8306, 9849, 12459, 19698, 24918, 29071, 58142, 87213, 174426, 203497, 278251, 406994, 556502, 610491, 834753, 1220982, 1669506, 1947757, 3895514, 5843271, 11686542, 13634299, 27268598, 40902897, 81805794]

約数ペア:

[(1, 81805794), (2, 40902897), (3, 27268598), (6, 13634299), (7, 11686542), (14, 5843271), (21, 3895514), (42, 1947757), (49, 1669506), (67, 1220982), (98, 834753), (134, 610491), (147, 556502), (201, 406994), (294, 278251), (402, 203497), (469, 174426), (938, 87213), (1407, 58142), (2814, 29071), (3283, 24918), (4153, 19698), (6566, 12459), (8306, 9849)]