258456422

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{28711}}^1$

素因数の和:29363

約数の個数: 16

約数和(自身を含む): 443772672

約数和(自身を除く): 185316250

約数列:

[1, 2, 7, 14, 643, 1286, 4501, 9002, 28711, 57422, 200977, 401954, 18461173, 36922346, 129228211, 258456422]

約数ペア:

[(1, 258456422), (2, 129228211), (7, 36922346), (14, 18461173), (643, 401954), (1286, 200977), (4501, 57422), (9002, 28711)]