291497168

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{271919}}^1$

素因数の和:271994

約数の個数: 20

約数和(自身を含む): 573207360

約数和(自身を除く): 281710192

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 271919, 543838, 1087676, 2175352, 4350704, 18218573, 36437146, 72874292, 145748584, 291497168]

約数ペア:

[(1, 291497168), (2, 145748584), (4, 72874292), (8, 36437146), (16, 18218573), (67, 4350704), (134, 2175352), (268, 1087676), (536, 543838), (1072, 271919)]