12813798478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{217781}}^1$

素因数の和:217900

約数の個数: 32

約数和(自身を含む): 21659726592

約数和(自身を除く): 8845928114

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 403, 806, 949, 1898, 2263, 4526, 29419, 58838, 217781, 435562, 2831153, 5662306, 6751211, 13502422, 15898013, 31796026, 87765743, 175531486, 206674169, 413348338, 492838403, 985676806, 6406899239, 12813798478]

約数ペア:

[(1, 12813798478), (2, 6406899239), (13, 985676806), (26, 492838403), (31, 413348338), (62, 206674169), (73, 175531486), (146, 87765743), (403, 31796026), (806, 15898013), (949, 13502422), (1898, 6751211), (2263, 5662306), (4526, 2831153), (29419, 435562), (58838, 217781)]