2560402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 4475520

約数和(自身を除く): 1915118

約数列:

[1, 2, 13, 19, 26, 38, 71, 73, 142, 146, 247, 494, 923, 949, 1349, 1387, 1846, 1898, 2698, 2774, 5183, 10366, 17537, 18031, 35074, 36062, 67379, 98477, 134758, 196954, 1280201, 2560402]

約数ペア:

[(1, 2560402), (2, 1280201), (13, 196954), (19, 134758), (26, 98477), (38, 67379), (71, 36062), (73, 35074), (142, 18031), (146, 17537), (247, 10366), (494, 5183), (923, 2774), (949, 2698), (1349, 1898), (1387, 1846)]