253806718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 427252320

約数和(自身を除く): 173445602

約数列:

[1, 2, 11, 22, 53, 106, 109, 218, 583, 1166, 1199, 1997, 2398, 3994, 5777, 11554, 21967, 43934, 63547, 105841, 127094, 211682, 217673, 435346, 1164251, 2328502, 2394403, 4788806, 11536669, 23073338, 126903359, 253806718]

約数ペア:

[(1, 253806718), (2, 126903359), (11, 23073338), (22, 11536669), (53, 4788806), (106, 2394403), (109, 2328502), (218, 1164251), (583, 435346), (1166, 217673), (1199, 211682), (1997, 127094), (2398, 105841), (3994, 63547), (5777, 43934), (11554, 21967)]