257249905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1\times {\mathrm{2239}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 337075200

約数和(自身を除く): 79825295

約数列:

[1, 5, 11, 55, 2089, 2239, 10445, 11195, 22979, 24629, 114895, 123145, 4677271, 23386355, 51449981, 257249905]

約数ペア:

[(1, 257249905), (5, 51449981), (11, 23386355), (55, 4677271), (2089, 123145), (2239, 114895), (10445, 24629), (11195, 22979)]