1997304642

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2903}}^1$

素因数の和:3085

約数の個数: 80

約数和(自身を含む): 4655135232

約数和(自身を除く): 2657830590

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 137, 162, 186, 274, 279, 411, 558, 822, 837, 1233, 1674, 2466, 2511, 2903, 3699, 4247, 5022, 5806, 7398, 8494, 8709, 11097, 12741, 17418, 22194, 25482, 26127, 38223, 52254, 76446, 78381, 89993, 114669, 156762, 179986, 229338, 235143, 269979, 344007, 397711, 470286, 539958, 688014, 795422, 809937, 1193133, 1619874, 2386266, 2429811, 3579399, 4859622, 7158798, 7289433, 10738197, 12329041, 14578866, 21476394, 24658082, 32214591, 36987123, 64429182, 73974246, 110961369, 221922738, 332884107, 665768214, 998652321, 1997304642]

約数ペア:

[(1, 1997304642), (2, 998652321), (3, 665768214), (6, 332884107), (9, 221922738), (18, 110961369), (27, 73974246), (31, 64429182), (54, 36987123), (62, 32214591), (81, 24658082), (93, 21476394), (137, 14578866), (162, 12329041), (186, 10738197), (274, 7289433), (279, 7158798), (411, 4859622), (558, 3579399), (822, 2429811), (837, 2386266), (1233, 1619874), (1674, 1193133), (2466, 809937), (2511, 795422), (2903, 688014), (3699, 539958), (4247, 470286), (5022, 397711), (5806, 344007), (7398, 269979), (8494, 235143), (8709, 229338), (11097, 179986), (12741, 156762), (17418, 114669), (22194, 89993), (25482, 78381), (26127, 76446), (38223, 52254)]