138870892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{33479}}^1$

素因数の和:33561

約数の個数: 24

約数和(自身を含む): 261545760

約数和(自身を除く): 122674868

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 33479, 66958, 133916, 569143, 1138286, 2042219, 2276572, 4084438, 8168876, 34717723, 69435446, 138870892]

約数ペア:

[(1, 138870892), (2, 69435446), (4, 34717723), (17, 8168876), (34, 4084438), (61, 2276572), (68, 2042219), (122, 1138286), (244, 569143), (1037, 133916), (2074, 66958), (4148, 33479)]