257179664

素因数分解:

$2^4\times 7^1\times {\mathrm{2296247}}^1$

素因数の和:2296262

約数の個数: 20

約数和(自身を含む): 569469504

約数和(自身を除く): 312289840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2296247, 4592494, 9184988, 16073729, 18369976, 32147458, 36739952, 64294916, 128589832, 257179664]

約数ペア:

[(1, 257179664), (2, 128589832), (4, 64294916), (7, 36739952), (8, 32147458), (14, 18369976), (16, 16073729), (28, 9184988), (56, 4592494), (112, 2296247)]