317081518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 550625040

約数和(自身を除く): 233543522

約数列:

[1, 2, 13, 17, 26, 34, 139, 169, 221, 278, 338, 397, 442, 794, 1807, 2363, 2873, 3614, 4726, 5161, 5746, 6749, 10322, 13498, 23491, 30719, 46982, 55183, 61438, 67093, 87737, 110366, 134186, 175474, 399347, 717379, 798694, 938111, 1140581, 1434758, 1876222, 2281162, 9325927, 12195443, 18651854, 24390886, 158540759, 317081518]

約数ペア:

[(1, 317081518), (2, 158540759), (13, 24390886), (17, 18651854), (26, 12195443), (34, 9325927), (139, 2281162), (169, 1876222), (221, 1434758), (278, 1140581), (338, 938111), (397, 798694), (442, 717379), (794, 399347), (1807, 175474), (2363, 134186), (2873, 110366), (3614, 87737), (4726, 67093), (5161, 61438), (5746, 55183), (6749, 46982), (10322, 30719), (13498, 23491)]