256871342

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{4817}}^1$

素因数の和:5132

約数の個数: 32

約数和(自身を含む): 475941312

約数和(自身を除く): 219069970

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 293, 586, 2051, 3809, 4102, 4817, 7618, 9634, 26663, 33719, 53326, 62621, 67438, 125242, 438347, 876694, 1411381, 2822762, 9879667, 18347953, 19759334, 36695906, 128435671, 256871342]

約数ペア:

[(1, 256871342), (2, 128435671), (7, 36695906), (13, 19759334), (14, 18347953), (26, 9879667), (91, 2822762), (182, 1411381), (293, 876694), (586, 438347), (2051, 125242), (3809, 67438), (4102, 62621), (4817, 53326), (7618, 33719), (9634, 26663)]