260286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 580608

約数和(自身を除く): 320322

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 71, 78, 94, 141, 142, 213, 282, 426, 611, 923, 1222, 1833, 1846, 2769, 3337, 3666, 5538, 6674, 10011, 20022, 43381, 86762, 130143, 260286]

約数ペア:

[(1, 260286), (2, 130143), (3, 86762), (6, 43381), (13, 20022), (26, 10011), (39, 6674), (47, 5538), (71, 3666), (78, 3337), (94, 2769), (141, 1846), (142, 1833), (213, 1222), (282, 923), (426, 611)]