56457709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 74649600

約数和(自身を除く): 18191891

約数列:

[1, 7, 11, 23, 71, 77, 161, 253, 449, 497, 781, 1633, 1771, 3143, 4939, 5467, 10327, 11431, 17963, 31879, 34573, 72289, 113597, 125741, 223153, 350669, 733217, 795179, 2454683, 5132519, 8065387, 56457709]

約数ペア:

[(1, 56457709), (7, 8065387), (11, 5132519), (23, 2454683), (71, 795179), (77, 733217), (161, 350669), (253, 223153), (449, 125741), (497, 113597), (781, 72289), (1633, 34573), (1771, 31879), (3143, 17963), (4939, 11431), (5467, 10327)]