257169899

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{2621}}^1$

素因数の和:2866

約数の個数: 16

約数和(自身を含む): 299033856

約数和(自身を除く): 41863957

約数列:

[1, 7, 107, 131, 749, 917, 2621, 14017, 18347, 98119, 280447, 343351, 1963129, 2403457, 36738557, 257169899]

約数ペア:

[(1, 257169899), (7, 36738557), (107, 2403457), (131, 1963129), (749, 343351), (917, 280447), (2621, 98119), (14017, 18347)]