2013218090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{212141}}^1$

素因数の和:212234

約数の個数: 32

約数和(自身を含む): 3956024016

約数和(自身を除く): 1942805926

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 212141, 424282, 1060705, 2121410, 2757833, 5515666, 13789165, 15486293, 27578330, 30972586, 77431465, 154862930, 201321809, 402643618, 1006609045, 2013218090]

約数ペア:

[(1, 2013218090), (2, 1006609045), (5, 402643618), (10, 201321809), (13, 154862930), (26, 77431465), (65, 30972586), (73, 27578330), (130, 15486293), (146, 13789165), (365, 5515666), (730, 2757833), (949, 2121410), (1898, 1060705), (4745, 424282), (9490, 212141)]