247978366

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 390126240

約数和(自身を除く): 142147874

約数列:

[1, 2, 37, 74, 97, 179, 193, 194, 358, 386, 3589, 6623, 7141, 7178, 13246, 14282, 17363, 18721, 34547, 34726, 37442, 69094, 642431, 692677, 1278239, 1284862, 1385354, 2556478, 3351059, 6702118, 123989183, 247978366]

約数ペア:

[(1, 247978366), (2, 123989183), (37, 6702118), (74, 3351059), (97, 2556478), (179, 1385354), (193, 1284862), (194, 1278239), (358, 692677), (386, 642431), (3589, 69094), (6623, 37442), (7141, 34726), (7178, 34547), (13246, 18721), (14282, 17363)]