128548255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 172819008

約数和(自身を除く): 44270753

約数列:

[1, 5, 11, 55, 73, 101, 317, 365, 505, 803, 1111, 1585, 3487, 4015, 5555, 7373, 17435, 23141, 32017, 36865, 81103, 115705, 160085, 254551, 352187, 405515, 1272755, 1760935, 2337241, 11686205, 25709651, 128548255]

約数ペア:

[(1, 128548255), (5, 25709651), (11, 11686205), (55, 2337241), (73, 1760935), (101, 1272755), (317, 405515), (365, 352187), (505, 254551), (803, 160085), (1111, 115705), (1585, 81103), (3487, 36865), (4015, 32017), (5555, 23141), (7373, 17435)]