268506721

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 337940688

約数和(自身を除く): 69433967

約数列:

[1, 7, 17, 49, 67, 119, 283, 289, 469, 833, 1139, 1981, 2023, 3283, 4811, 7973, 13867, 14161, 18961, 19363, 33677, 55811, 81787, 132727, 135541, 235739, 322337, 572509, 929089, 948787, 2256359, 4007563, 5479729, 15794513, 38358103, 268506721]

約数ペア:

[(1, 268506721), (7, 38358103), (17, 15794513), (49, 5479729), (67, 4007563), (119, 2256359), (283, 948787), (289, 929089), (469, 572509), (833, 322337), (1139, 235739), (1981, 135541), (2023, 132727), (3283, 81787), (4811, 55811), (7973, 33677), (13867, 19363), (14161, 18961)]