25017538

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 47832120

約数和(自身を除く): 22814582

約数列:

[1, 2, 7, 13, 14, 26, 49, 73, 91, 98, 146, 182, 269, 511, 538, 637, 949, 1022, 1274, 1883, 1898, 3497, 3577, 3766, 6643, 6994, 7154, 13181, 13286, 19637, 24479, 26362, 39274, 46501, 48958, 93002, 137459, 171353, 255281, 274918, 342706, 510562, 962213, 1786967, 1924426, 3573934, 12508769, 25017538]

約数ペア:

[(1, 25017538), (2, 12508769), (7, 3573934), (13, 1924426), (14, 1786967), (26, 962213), (49, 510562), (73, 342706), (91, 274918), (98, 255281), (146, 171353), (182, 137459), (269, 93002), (511, 48958), (538, 46501), (637, 39274), (949, 26362), (1022, 24479), (1274, 19637), (1883, 13286), (1898, 13181), (3497, 7154), (3577, 6994), (3766, 6643)]