2087780981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{2003}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 2533120128

約数和(自身を除く): 445339147

約数列:

[1, 11, 13, 37, 143, 197, 407, 481, 2003, 2167, 2561, 5291, 7289, 22033, 26039, 28171, 74111, 80179, 94757, 286429, 394591, 815221, 963443, 1042327, 4340501, 5129683, 10597873, 14599867, 56426513, 160598537, 189798271, 2087780981]

約数ペア:

[(1, 2087780981), (11, 189798271), (13, 160598537), (37, 56426513), (143, 14599867), (197, 10597873), (407, 5129683), (481, 4340501), (2003, 1042327), (2167, 963443), (2561, 815221), (5291, 394591), (7289, 286429), (22033, 94757), (26039, 80179), (28171, 74111)]